# area, perimeter

20,917 results, page 17-
## Maths

Perimeter of rectangle is 240cm if it's length is decreased by 10 percent and breadth is increased by 20 percent we get the same perimeter find the length and breadth of the rectangle

*asked by Anand sharma on May 8, 2016* -
## MaTh

A square game board measures 16 inches on each side. The game board is divided into smaller squares measuring 2 inches on a side. How many small squares are there on the game board? My answer is 16x16 = 256 x 2=512, then I 16/2 = 8 and 512/8 = 64. Is this

*asked by Amy on August 8, 2013* -
## Calculus Word Problem

A farmer wishes to build a fence for 6 adjacent rectangular pens. If there is 600 feet of fencing available, what are the dimensions of each pen that maximizes total pen area? The image looks like this: box box box box box box also: If the interior fencing

*asked by Henry on April 10, 2013* -
## Algebra 1

Okay one last one that I've spent all night truing to figue out. 2. The width of a rectangle is 6 cm longer than its length. Its perimeter is more than 36 cm. Let l equal the length of the rectangle. a. for the width in terms of the length. W= l + 6=

*asked by Miranda on January 11, 2013* -
## Math

A child's desk is made so that the dimensions are two-thirds the dimensions of a full-size adult desk. Suppose the top of the full-size desk measures 54 inches long by 36 inches wide. What is the perimeter and area of the topof the child's desk?

*asked by Richard on September 24, 2015* -
## math

A farmer wishes to fence a rectangular area behind his barn. The barn forms one end of the rectangle and the length of the rectangle is three times the width. How many linear feet of fence must he buy if the perimeter of the rectangle is 320 feet? The

*asked by henry on March 11, 2018* -
## Math

There are two rectangles that are similar. One rectangle has an area of 24 and the other has an area of 15 how do you find the ratio of the area of the first rectangle to the area of the second rectangle?

*asked by Jordan on September 22, 2016* -
## Math

A farmer has 450m of fencing to enclose a rectangular area and divide it into two sections. a) Write an equation to express the total area enclosed as a function of the width. b) Determine the doman and range of this area function. c) Determine the

*asked by May on September 15, 2008* -
## math stumped...

is the solution of 1/3x=21? greater than or less than 21? the volume F of the cylinder is 65n cubic centimeters. the height of the cylinder is 5 centimeters. use the vomula v=Bh to find the area of the base of the cylinder? the total area of triangle is 44

*asked by scooby on September 8, 2013* -
## Geometry

What are the formulas for the following: Volume ratio Area ratio Perimeter ratio Angle outside the Circle Angle inside the Circle Angle on the Circle

*asked by Anonymous on March 26, 2011* -
## probability

In the state of Georgia, telephone numbers consists of 10 digits, including the area code. One of these area codes is 770. The first digit following the area code cannot be 1 or 0. Find the number of possibilities for telephone numbers in area code 770.

*asked by Anonymous on July 22, 2016* -
## calculus

The diagonal of a square is increasing at a rate of 3 inches per minute. When the area of the square is 18 square inches, how fast(in inches per minute) is the perimeter increasing?

*asked by ssss on October 19, 2007* -
## Calc

This summer Borice decides to put a rectangular swimming pool in his back yard. The material he uses for the border of the length of the pool costs $10 per foot and the material he uses for the width costs $5 per foot. He would like spend $1,000 on the

*asked by Adam on December 12, 2016* -
## Math

1. A parking lot space is in shape of a rectangle. If the space has a length of 23 feet and a width of 12 feet, what is the area of the parking space? A.128ft2 B.266ft2 C276ft2**** D138ft2 2. Each blade on a windmill is in shape of a triangle with base of

*asked by Check Me Please on March 8, 2018* -
## Math

What means Area? Length x width area is the amount of area inside a figure or a shape figure

*asked by Student on January 28, 2007* -
## algebra

The area a of a triangle with base b and height h is given by A=1/2bh. Find the area when b=30m (meters) and h =30m What is the area?

*asked by bee on May 3, 2011* -
## math

1)The area A of a triangle varies jointly as the lengths of its base b and height h. If A is 75 when b=15 and h=10,find A when b=8 and h=6 2)Determine the equation of any vertical asymtotes of the graph of f(x)=2x+3/x^2+2x-3 1) Area of a triangle is 1/2

*asked by Marissa on August 22, 2007* -
## Math

The radius of the larger circle is 9cm. The diameter of the smaller circle is 11cm. Find the area of the shaded region The shaded area is between the larger circle and smaller circle . It is concentric The area of the larger circle is 81Ï€. The smaller

*asked by Nicki on February 4, 2017* -
## algebra

A square and a rectangle have the same perimeter. The length of the rectangle is 4cm less than twice the side of the square, and the width of the rectangle is 6 cm than the side of the square. find the perimeter of each figure

*asked by ???E on January 2, 2009* -
## College Algebra

You have 100yds. of fencing to enclose a rectangular area. Find the dimensions which maximize the area. What is the maximum area? I know that A=L times W. I know that 100 = 2L+2w Subtract 2L from both sides: 100-2L=2W Divide by two: 50-L=W Substitute in

*asked by Brooklyn on March 15, 2011* -
## Math geometry

1) The base angles of an isosceles triangle are (50-x)^6 and (30x-12)^6 what is the vertex angle? 2) The area of a trapezoid is 52cm^2 if it's bases are 8 cm apart find the sum of their heights 3) What is the area of a circle inscribed inside an

*asked by K on February 27, 2017* -
## derivatives

Applications of derivatives A rectangle has its base on the x axis and its upper two vertices on the parabola y=12 - x^2. What is the largest area the rectangle can have, and what are its dimensions. Support your answer graphically. Thanks. Well, the

*asked by Jen on November 18, 2006* -
## Computer Science

I need help with these assignments. "Write a program to read a list of exam scores (integers in the range 0 to 100) and to output the total number of grades and the number of grades in each letter-grade category (90 to 100 = A, 80 to 89 = B, 70 to 79 = C,

*asked by Jim on May 21, 2008* -
## Math

I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind

*asked by Punkie on December 19, 2009* -
## Math

I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind

*asked by Punkie on December 18, 2009* -
## Algebra

represent the relationship between the number of triangles and the perimeter of the figures they form. fill in table below. triangle 1: 6-6-5(b) triangle 2:6-6-5(b)&(H) triangle 3: 6-6-5 (b)-5 (B) 5 (h) fill in number of triangles-1, 2, 3, and perimeter

*asked by Brieson on March 5, 2013* -
## Math (Geometry)

The perimeter of right triangle ABC is equal to the perimeter of isosceles triangle DEF. The lengths of the legs of the right triangle are 6 and 8. If the length of each side of the isosceles triangle is an integer, what is the greatest possible length for

*asked by ANONYMOUS on August 7, 2012* -
## Math

You have a room in your home that has a bay window (looks like a trapezoid shape on the floor). You need to figure out the area of the room in order to get carpeting. The rectangular part has dimensions of 24ft by 30ft. If the window has a depth of 2ft.

*asked by Cindy on February 20, 2014* -
## Algebra

Please help me with this algebra question?!?!?!? Find the discriminant of the equation in terms of p and q. Suppose q

*asked by Melissa on August 27, 2012* -
## Math

Find the area of a regular pentagon if its apothem is approximately 4 ft long and each of its sides are 5.8 ft long. So I tried dividing the pentagon into triangles...but then I came up with the answer 24.41? I know that's not right. Can you hLep me at

*asked by Emily on June 4, 2007* -
## Maths

The area of a rectangle of width ycm is 140cm^2. If the width is reduced by 2cm, the length increases by 3cm, and the area decreases to 136cm^2 to form an equation that enables you to determine the value of Y and hence, find the diagonal of the original

*asked by Carter on May 12, 2016* -
## Geometry

The circumference of a circle is 20 pi cm. Find diameter, radius, and area of the disk, the length of an arc of 90 angle and area of a 90 angle sector. Answer in terms of pi. d= ___ r= _____, disk area= _______ arc length =______, sector area =________

*asked by al on February 27, 2015* -
## math

Thomas has a letter he wants to send to his girlfriend. the total perimeter of the blue stamp and envelop is 50 cm. the ratio between them is 1:4. What is the perimeter of the stamp? So I know that I need to let x be the width of the stamp and the width of

*asked by Anna on March 17, 2016* -
## Calculus

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 30ft, find the dimensions of the window so that the greatest possible

*asked by Anonymous on November 5, 2011* -
## Math

There is a football field and the length shows 120 yd and the width is 53 1/3 yd a. What are the dimensions of a football field in feet? b. A chalk line is placed around the perimeter of the football field. What is the length of this line in feet? c. About

*asked by Erik on October 18, 2016* -
## Geometry

The Great Pyramid of Cheops is a right square pyramid with height of 148 m and a square base with a perimeter of 940 m. The Transamerica Building in San Francisco has the basic shape of a right square pyramid that has a square base with a perimeter of 140

*asked by Kirk on September 3, 2010* -
## math

The first term of a an infinite sequence is an equilateral triangle inscribed in a circle. The triangle has side n. Each new polygon in the sequence is formed by replacing the middle third of each side by two segments that have the same length as each

*asked by Moyer on March 8, 2013* -
## calc

the volume of a cylindrical tin can with a top and a bottom is to be 16*pi cubic inces. if a minimum amont of tin is to be used to construct the can, what must be the height, in inches, of the can? volume of cyliner is pi*r^2*h do i like take derivitive of

*asked by david on December 8, 2006* -
## Math!!

A square quilt for a child's bed has a border made up of 32 pieces with an area of x each, and 4 small squares with an area of 1 square inch each. The main part of the quilt is made of 64 squares with an area of x squared each. If the quilt is 4 ft by 4

*asked by Marissa on November 7, 2006* -
## Multiplying Binomials

You are planning a rectangular garden. Its length is twice its width. You want a walkway 2 ft wide around the garden. a. Write an expression for the area of the garden and walk. b. Write an expression for the area of the walk only. c. You have enough

*asked by Emily on January 14, 2007* -
## Math

If the length of a rectangle is decreased by 4 cm and the width is increased by 5 cm, the result will be a square, the area of which will be 40 cm2 greater than the area of the rectangle. Find the area of the rectangle.

*asked by Sam on March 30, 2018* -
## Java Help

I am just starting out in programming. If someone could help me with these assignments, it would be greatly appreciated. "Write a Rectangle class. This class represents Rectangles. Each Rectange has the X and Y coordinates of its center point (as doubles)

*asked by Jim on May 21, 2008* -
## 6th grade math

The area of each square is twice the area of the next smaller square drawn in it. if the area of the smallest square is 3 square cms. what is the area of the largest square

*asked by sai on September 9, 2009* -
## Math problem solving investigation: guess and chec

The area of each square is twice the area of the next smaller square drawn in it. If the area of the smallest square is 3 square centimeters, what is the area of the largest square

*asked by Alex on December 30, 2012* -
## Calculus

Use a simple area formula from geometry to find the area under function A(x) that gives the area under the function f(x) = 9 on the interval [2, x].

*asked by Raj on December 19, 2010* -
## Algebra 2

The base of is numerically 3 less than its area, and the height is numerically 6 less than its area. Find the area of the triangle.I am lost.....

*asked by Braden on September 13, 2016* -
## math question

The area of an equilateral triangle is decreased to 9/16 of its original amount. How does its new area compare to its original area?

*asked by Hayley on May 4, 2017* -
## Math

A semicircular shape is in a (fills it) rectangle. If the perimeter of the rectangle is 30 cm, fine the perimeter of the semicircular shape.

*asked by Henry on January 11, 2016* -
## Intermediate algebra, concepts and graphs

A garden is in the shape of a square with perimeter of 32 feet. The garden is surrounded by two fences. One fence is around the perimeter of the garden, whereas the second fence is two feet from the first fence on the outside. If the material used to build

*asked by Lisa on June 9, 2013* -
## geometry

This shape is a trapezoid with a semi-circle attached to the side. LINE AB = 8m LINE AD = 8m This is the part of the semi-circle. LINE BC = 10m This is the diagonal side of the trapezoid. What is the area of the shape? What is the perimeter?

*asked by beck on May 20, 2013* -
## geometry

the perimeter of a square window is 18 feet 8 inches. Find the area of the window in a square inches and in square feet.

*asked by Kimberley on December 9, 2014* -
## Math

The length of each side of an equilateral hexagon is a whole number, and the length of each side of an equilateral octagon is a whole number. Both have the same perimeter. The perimeter must be a multiple of 16 ,18, 24,30 or 36 ?

*asked by Mary on December 20, 2012* -
## geometry

If the length of a rectangle is twice its width, w, write an expression to represent the perimeter of the rectangle. If the perimeter of the rectangle is 72 inches, what is the length and width of the rectangle?

*asked by Maddie on September 6, 2011* -
## math

Ms. Smith has 190 m of fencing to enclose a rectangular area. a. Write a function to express the total area enclosed as a function of the width. b. State the domain and range of the function. c. Determine the dimensions that give the maximum area.

*asked by XOXOX on November 18, 2015* -
## Algebra 2

Jimmy is wanting to fence a rectangular area of his land along Elm Creek. He will only need to fence 3 sides. If Jimmy has 2000 ft of fencing and wants to enclose the largest possible area, determine the dimensions of the rectangular plot. Hint: Write an

*asked by Nate on February 15, 2018* -
## maths

b) if the surface area of the base is increased by times its original surface area,(with the same vertical height),calculate the new surface area of the pyramid.

*asked by simrat on April 5, 2011* -
## SRA Math

The rectangular region shown has been divided into nine square regions, all different in size. The area of square 3 is 64 cm. The area of square 5 is 81cm. what is the area of the rectangle?

*asked by Fatimah on November 1, 2011* -
## Math

Please Check My Answer: Find the probability that you throw a dart and land in the region labeled "G" Here is a link to the image: I can't place it in here, but if you google the question, the very first image that pops up (A square with different colors

*asked by Harry on June 18, 2018* -
## Geometry

1. If triangles EIO = UAN, EI = 3x-4, IO = 2x+5, UA = 2x+3 and UN = 3x+1, solve for the value of x, find the perimeter of triangle UAN and identify the smallest angle in triangle EIO. 2. If triangle FAT is equal to triangle GRC, FA = 24cm and the ratio of

*asked by Lily on March 5, 2015* -
## math

To find the area, but the easiest approach is using Brahmagupta’ s formula1: If a quadrilateral of side lengths a, b, c, d can be inscribed in a circle, then its area is given by A = sqrt, where s = (a + b + c + d)/2 In this case, a = 2*radius You know b

*asked by bobpursley on November 14, 2006* -
## Math

Check my answer please? Yuri is wrapping presents. The first box measures 9 inches by 12 inches by 2 inches. He has a second box with dimensions that are each half of the length of the first box. How does the surface area of the second box compare with the

*asked by Sammy on April 17, 2011* -
## Algebra

The perimeter of a rectangular garden is 35 feet. The length of the garden is 1 foot more than 2 times its width. Write an equation to represent the perimeter of the garden in terms of its width (w). What are the length and width of the garden in feet?

*asked by Amber on May 16, 2013* -
## math

A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter. 3x-4+7x+10= 3x+7x=10x −4+10= 14 10x+14 that is my answer please help You just added two sides, a rectangle has four sides. So the perimeter should be twice

*asked by susie on June 30, 2007* -
## math

the base of an isosceles triangle i 5 and its perimeter is 1. the base of a similar isosceles triangle is 10. what is the perimeter of the larger triangle? 1 15 2 21 3 22 4 110

*asked by Anonymous on May 7, 2009* -
## Algebra

The deck around a swimming pool has the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck

*asked by Jenna on June 10, 2013* -
## Algebra

A square and an equilateral triangle have the same perimeter.Each side of the triangle is 5 inches longer than each side of the square. What is the perimeter of the square.

*asked by Maurice on October 4, 2016* -
## math

The deck of a swimming pool had the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck?

*asked by annie on May 12, 2014* -
## Math

A) A rectangle has perimeter 64 cm and area 23 cm^2. Solve the following system of equations to find the rectangle's dimensions. length=23/width length + width = 32 B) Solve the system of equations x^2+y^2=1 xy=0.5

*asked by Christine on June 7, 2009* -
## Math

1. The length of a rectangle is 6 inches longer than thrice its width. The area of the rectangle is 57 square inches. Write a quadratic equation for the area of the floor in terms of x. Find the length and width of the rectangle. 2. If 1,500 ft of fencing

*asked by Annabeth on August 17, 2014* -
## math

The area of a plot of land is 2496 square meters. A small part of the land is fenced. The ratio of the area of the plot of land to the area that is not fenced is 48:31. What is the area of the land that is not fenced? (5th grade math)

*asked by ben on May 4, 2016* -
## geometry

The perimeter of right triangle RST is equal to the perimeter of isosceles triangle XYZ. The lengths of the legs of the right triangle are 6 and 8. If the length of each side of the isosceles triangle is an integer. what is the greatest possible length for

*asked by HSutha on December 12, 2011* -
## math

I need help on this question. Can someone help me get through with these question The area of canada is approximately 1x10(Exponent)7, and the area of Mexico is approximately 2x10 (exponent)6 square kilometers. The area of Canada is approximately how many

*asked by D on January 22, 2015* -
## physics

Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is suspended from its lower end. Assume that Ynylon = 3.51·10^8 N/m2 physics - bobpursley, Saturday, October 29, 2011 at 10:32am Hookes

*asked by maria on October 30, 2011* -
## math

a banquet hall area is in d shape of a rectangle 30m by 20m.part of d area is a concrete square 15m by 15m,the rest is covered with carpet.calculate the area of the carpet.

*asked by gabriella on April 8, 2013* -
## Algebra

The state of Texas has anarea of approximately 266,806 squaremiles. Its area is approximately 220times the area of the state of RhodeIsland. What is the area of Rhode Island? How would you put this into a algebra expession as well?

*asked by Jab on October 2, 2011* -
## algebra

calculated area of a room is 174.2 square feet and the actual area is 149.6 the question was 'What is the relative error of the area to the nearest ten-thousand?' Im confused about what is relative error and how can i get that?

*asked by sally on January 22, 2010* -
## Algebra 2

If 550 m of fencing is available to build five adjacent pens, as shown in the diagram on the left, express the total area A of the pens as a function of x. What value of x will minimize the total area? What is the maximum area?

*asked by Eenra on April 16, 2016* -
## geometry

The perimeter of the rectangle is 19 inches. The perimeter of the inscribed triangle is also 19 inches. What is the width of the rectangle? What is the lengths of the rectangle? sides of isosceles triangle = leng of rectangle + 2 base = width of rectangle

*asked by Alexis on March 22, 2011* -
## Statistics

A certain curve (that is NOT the normal curve) is shown below. The curve is symmetric around 0, and the total area under the curve is 100%. The area between -1 and 1 is 58%. What is the area to the right of 1? I do not know how to do this because it is not

*asked by Lilly on June 9, 2018* -
## algebra

The sum of the length l and the width w of a rectangular area is 220 meters. (a) Write w as a function of l. w = (b) Write the area A as a function of l. A = (c) Find the dimensions that produce the greatest area. l = w =

*asked by Nate on November 5, 2014* -
## Math

A tiling company specializes in multi-colour tile patterns. A small hotel is interested in the patterns below for its square shaped reception area. How many dark coloured tiles will there be if the reception area needs an area of 18 x 18.

*asked by �Kris on December 15, 2017* -
## Math

If a triangl if a triangle triangle has a perimeter of three units with a row of two connecting triangles the parameters for units what is the perimeter of a row of Tronic 20 triangles triangles

*asked by Kim on November 10, 2015* -
## math

The length of a rectangle is twice the width. If the length is increased by 6, and the width is doubled, a new rectangle is formed whose perimeter is 20 more than the perimeter of the original rectangle. Find the dimensions of the original rectangle.

*asked by jackie on October 30, 2015* -
## Maths

Draw a rectangle of perimeter 30cm and length of sides in the ratio 1:2.draw two more rectangles of the same perimeter with the length of sides in the ratio 2:3 and 3:7 compute the areas of all three rectangles?

*asked by Gooks chandru on December 20, 2016* -
## math

6cm diameter discs are cut from a sheet 130cm long and 70cm wide.(a)How many discs can be cut in this way (b) what area of the sheet is wasted? (My working so far). Area of rectangle=L*B 130*70=9100cm^2 area of circle=22/7 *(6/2)^2=28.286cm^2 (a)no of

*asked by james on April 30, 2015* -
## statistics

If Z is a standard normal variable, find the probability that Z lies between -1.10 and -0.36 Use the table of the area under the normal distribution in the back of your statistics textbook to find the area between these Z values and the mean. Since they

*asked by john on August 5, 2007* -
## Math: Need Answer to study for a quizz. Help ASAP

Estimate the area under the curve f(x)=x^2-4x+5 on [1,3]. Darw the graph and the midpoint rectangles using 8 partitions. Show how to calculate the estimated area by finding the sum of areas of the rectangles. Find the actual area under the curve on [1,3]

*asked by Jesse on November 19, 2010* -
## Maths

A rope of length 84cm is made into a circle of which the area exceeds the area of a rectangle by 20 cm square. The length of the diagonal of the rectangle is 13cm. Find its area.

*asked by Riya on February 19, 2018* -
## Algebra

A dog trainer has 64 ft of fencing that will be used to create a rectangular work area for dogs. If the trainer wants to enclose an area of 192 ft2, what will be the dimensions of the work area?

*asked by Kara on November 12, 2012* -
## Calculus

Consider the following problem: A farmer with 810 ft of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle. What is the largest possible total are of the four pens? your drawing

*asked by Carla on March 30, 2007* -
## Geometry

How do I figure out what comes first? example: the perimeter of JKLM is 72 The perimeter of PQRS is 58. The ratio of the perimeters is 4/5 but is it PQRS to JKLM, or JKLM to PQRS?

*asked by Anonymous on January 26, 2018* -
## Math

The area of each trapezoid is 3 times the area of one triangle. The area of one triangle is six square units. What is the total area of the figure in square units?

*asked by Dan on September 24, 2013* -
## Geography

overurbanization what one is it? A)resources are being used up at a faster rate than they can be replaced B)the increase in the population of a city C)more people live in an area than the area can provide services for D)an area's ability to meet its needs

*asked by george on January 11, 2010* -
## Math help!

Hilda has a rectangular garden by the river in front of her house. The area she uses for planting tomatoes is three times as large as that she uses for beets. If she has 270 yards of fencing material to enclose the garden to protect it fro, rodents, will

*asked by Yin on April 27, 2015* -
## math- geometry

I will try and explain this since I can't draw the picture that went with this question. A circular glass overlay was placed on the top of a circular table. Find the area of the shaded region, rounding to the nearest tenth. The shaded region is the part of

*asked by sara on May 6, 2016* -
## Math help!

Hilda has a rectangular garden by the river in front of her house. The area she uses for planting tomatoes is three times as large as that she uses for beets. If she has 270 yards of fencing material to enclose the garden to protect it fro, rodents, will

*asked by Yin on April 28, 2015* -
## Calc

A Norman window consists of a rectangle capped by a semi-circular regional. The perimeter of some particular Norman window must be 30 meters. The radius of the semi-circular region is "x" meters. The height of the rectangle is "h" meters. Find the values

*asked by Alex on July 18, 2011* -
## science

Why did a portion of the tabletop get cold when Natasha placed her cold drink on the table? (1 point) The table’s molecules were vibrating more slowly in that area. The table’s molecules had spread further apart in that area. The table’s molecules

*asked by Connie on September 25, 2014* -
## science

Why did a portion of the tabletop get cold when Natasha placed her cold drink on the table? (1 point) The table’s molecules were vibrating more slowly in that area. The table’s molecules had spread further apart in that area. The table’s molecules

*asked by Oscar on February 21, 2015* -
## math

Now imagine a circle with a 3-mile radius to be a hypothetical metropolitan area with relatively little undeveloped land inside. If the radius of this hypothetical metropolitan area is extended to 10 miles, how much land is added to the original developed

*asked by Thano on March 10, 2008*