# area, perimeter

20,300 results, page 16

### Math

5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is ¢³r2. 8)The triangle has an area of 14 in2. Determine the lengths of the sides ...

### Algebra

a farmer fences off a small.rectangular plot of land thay is 60 feet by 100 feet. within that area, a garden is planted and surrounded by a walkway of uniform width. how wide is the walkway if the area of the planted area is one half of the area of the plot?

### 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 ?

### algebra

Jeff made some designs using equilateral triangles, as shown bellow. He noticed that as he added new triangles, there was a relationship between the number of triangles, and the outer perimeter of the design. If the pattern is continued, what would be the outer perimeter of a ...

### Geometry

One side of a triangle is x inches longer than another side. The ray bisecting the angle formed by these sides divides the opposite side into 3-inch and 5-inch segments. Find the perimeter of the triangle in terms of x. ( triangle angle bisector theorem) Let y be the small ...

### math

how would you find the surface area of a cylinder with 1.7m for the diameter, and 3m for the height? would you use the formula S.A = 2pi x r x h, or S.A = area of two congruent circles + area of rectangle?

### Math, Quadratic Functions

Eighty metres of fencing are available to enclose a rectangular play area. Determine the dimensions that will enclosed the maximum area. What is the maximum area?

### geomtry

The figures are similar. The area of one figure is given. Find the area of the other figure to the nearest whole number. The area of the smaller trapezoid is 771 m

### 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.

### math

A gardener wants his garden to have a geometrical shape.he decides on the following rules for building the flower beds.1)They must all be rectangular. 2)The perimeter and area must be the same.How many different flower beds can the gardener make 1)if one of the side is 3 unit ...

### 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?

### 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?

### Math

Points J and K, plotted on the coordinate grid, are two vertices of rectangle JKLM. Rectangle JKLM has an area of 7 square units. Point J is located at (2, 1) and point K is located at (-5, 1). Each vertex of the rectangle is located at a point that has integer coordinates. ...

### Geoscience

can you help me write out a geological time scale of an area located within stone mountain Georgia? I need a description of the area, how the rock transformed and was dated, picture of a map that has the longitude and latitude of the area picked, the history of the area, ...

### Calculus

1. Prove that, among all rectangles with fixed perimeter p, where p > 0, the largest in area is a square. 2. A 2 × 3 array of six congruent rectangular pigpens (that all look the same from above) will be in the overall shape of a rectangle R. We may use 100 feet of fencing...

### Geometry

Diagonals of quadrilateral ABCD intersect at O.If area of triangle ACB is 5 sq.units,area of triangle BCD is 9 sq.units,area of triangle CDA is 10 sq.units and area of triangle DAB is 6 sq.units,Find area of triangle AOB. Im begging you! pls I badly need an answer!! can you ...

### math

A square storage area measures 10 m on a side. By how much must each side be shortened to decrease this area to less than half the original area? (3 marks - show your work)

### math

A square storage area measures 10 m on a side. By how much must each side be shortened to decrease this area to less than half the original area? (3 marks - show your work)

### Geometry

The area of a triangle is 96. If the base of a triangle is tripled and the height is reduced to one-third its original length, what is the new area? 3 1/3 9 The area would not change I'm stumped:/ Please help? Thanks

### math?

5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in^2. What is the radius, including the units? Area of a circle is ¢³r^2. 8)The 3 sided triangle has an area of 14 in^2. Determine the lengths of ...

### 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 the total area attain ...

### can xome1 help me plzz im stuck

HELP PLZZ...A circle has radius 2 cm,(in that circle there is a traingle ABO) O is the centre of the circle. the chord AB has length 3 cm. . BO is 2cm AO is 2cm (i) Show that ÚAOB is 1.696 radians (to three decimal places). (ii) Hence ﬁnd the area of the (smaller) ...

### math

an only so inherited a 3/4 hectare lot . hi decided to bulid a 40-door condominium on the lot. the floor area of the units is uniform and the total floor area of the entire condominium is 1/5 less than the area of the lot to provide foe certain amenties compute for the floor ...

### grade six math

Draw an equilateral triangle. Divide each side in half and join the points to make four small equilateral triangles. Rearrange these four equilateral triangles into a parallelogram. Compare the perimeter of the original triangle with the perimeter of the parallelogram. Explain...

### math 107

Use the following diagram of a flowerbed of petunias to answer the following questions. This diagram is a rectangle with ½ a circle on each end. The circle diameter is 22 feet, while the length of the rectangle is 60 feet. If you draw an X in the middle of the rectangle, you ...

### Math

I have a practice question that I am stuck on and need help. A certain insect pest has infested a cornfield. The pests are spreading through the field in a circular pattern at the rate of 3m/day. When the radius of the infested area is 70m. How fast is the area of the infested...

### MATH

The ratio of the perimeter of triangle KLM to the perimeter of triangle PQR is 5/3 and LM is 4 less than twice QR. Find LM and QR, if Triangle KLM~Triangle PQR. Can someone solve this in ratio and proportion method? Thanks.

### 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.

### PreCalc (Just Can't Comprehend)

Find the dimensions of the rectangle with minimum perimeter if its area is 400 square meters. Find the least perimeter. I know that a rectangle has two sides that are equal and two other sides that are equal but I am unsure about what type of equation to use. I thought maybe I...

### math

A particular model of walkie-talkie can broadcast in a circular area. The radius of the broadcast area is 10,000 feet. Find the area of this circle to the nearest square foot. Use 3.14 for pi.

### science

when you use a graph to solve a problem about how far a car traveled during a specified time during which it was accelerating how many area calculations do you have to make? what is/ are the shape/shapes you are calculating? a. one area calculation, a rectangle b. one area ...

### Math

Optimization Problem A right circular cylindrical can of volume 128tπ cm^3 is to be manufactured by a company to store their newest kind of soup. They want to minimize the surface area of the can to keep costs down. What are the dimensions of the can with minimum surface ...

### Calculus

Find the area cut off by x+y=3 from xy=2. I have proceeded as under: y=x/2. Substituting this value we get x+x/2=3 Or x+x/2-3=0 Or x^2-3x+2=0 Or (x-1)(x-2)=0, hence x=1 and x=2 are the points of intersection of the curve xy=2 and the line x+y=3. Area under curve above X axis ...

### Math

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

### Geometery

How do I solve this? On my assignment it says find the area inside the square, but outside the circle, given that the radius of the circle is 2 ft. Use 3.14 for ^ I have a picture of a square with a circle in the square, with a base 6 ft. and height 6 ft. Here are the choices ...

### 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?

### math

The apothem of a regular polygon is the distance from the center to any side. If the length of the apothem remains constant at 10 inches, the formula for the perimeter of a regular polygon as a function of the number of sides is ( ) ( )( ). As the regular polygon changes from ...

### geometry/math

How do I find the area and perimeter of a square when all I'm given is a diaganol line cutting the square into two equal halves, with the length of the line being 6square root2, and the angles of the square are all 90 degrees, with the angle bisected by the line being 45 ...

### math inequalities please check

A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The lenght must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60 m². 1.)Write as system...

### Pre-calc

Can someone please show me the steps to this problem...Thanks in advance. Let f(x) = Ð9xÐ. For the area above the x-axis and between the lines x= -9 and x=18 a. draw and label a sketch with the area shaded b. find the area of the region in the xy-plane under the graph of f(x)

### Math

The width of a rectangle is fixed at 16 cm. What lengths will make the perimeter greater than 78cm? Would the answer be 23 because 16*2+23*2=78cm or would the answer be 24. Because the perimeter is greater than 78cm

### Physics

When Using A Graph To Solve A Problem About How Far A Car Traveled During Specified Time During Which It Was Accelerating, How Many Area Calculations Do You Have To Make? What Is/are The Shape/shapes You Are Calculating? ( I believe the answer is D) A. One area calculation, a ...

### algebra

The width of a rectangle is three fourths the length. The perimeter of the rectangle becomes 50 cm when the length and the width are each increased by 2cm. Find the length and the width. Draw a diagram and convince yourself that the perimeter P=2(L+W) We're told that W=(3/4)L...

### Geometry

Ok Dr. Russ helped me find one part of the question, but I still can't figure out the values of x that maximizes volume = in. Any help is appreciated. Thanks On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The ...

### 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

### ^th grade

2. What is a reason few people have settled in the interior of Australia? (1 point) A.No mineral wealth is in the area. B.Land is too expensive. C.The area is too dangerous. D.The area has little water and arable land.

### 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

### calculus

A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 30ft, find the dimensions of the window so that the greatest possible amount of light is admitted. I keep screwing up in creating my equation. p = perimeter of window l...

### algebra

Clara is building a triangular garden. She wants the length of the longest side to be three more than twice as long as the length of the shortest side, and the third side will be twelve feet long. What expression could she write to determine the perimeter of the triangle if s ...

### maths

the perimeter of a rectangle is 340 cm.if its length is decreased by 10% and breadth is decreased by 20% .we get the same perimeter.find the length and breadth of the rectangle.

### 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 sq in. the area of ...

### 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 the envelope be 4x. ...

### Algebra

Please help me to solve this Radical Expressions and equations word problem. Here is the question: Surveying. The length of each lot line of a swimming pool complex is shown. Find the exact perimeter of the irregular shaped lot. Then approximate the perimeter to the nearest ...

### ^th grade social studies

2. what is the reason few people have settled in the interior of Australia? A. no mineral wealth is in the area B. land is too expensive C. the area is too dangerous D. the area little water and arable land

### math ~dont know all but check some~ pls help!!!

1. Draw a model to represent the polynomial x2 + 2x + 4. (1 point) 1 big square, 1 tall rectangle, 4 little sqaures 1 big square, 2 tall rectangles, 4 little sqaures in the shape of an "L" 2 big sqaures, 4 little squares none of these 2. Simplify the polynomial. –3f2 + 4f...

### math

mrs.fuchs has 40yd of fencing to use to make a rectangular area for her garden.(she wants to keep the animals out!!!!) she pans to use part of the 26yd wall of her house as one of the sides of the rectangular area. - what whole dimension( lengh and width) should she use for ...

### math

mrs.fuchs has 40yd of fencing to use to make a rectangular area for her garden.(she wants to keep the animals out!!!!) she pans to use part of the 26yd wall of her house as one of the sides of the rectangular area. - what whole dimension( lengh and width) should she use for ...

### Geometry

We have a 17 by 20-foot garden. We want to pour cement for a sidewalk 3 feet wide around the garden. To make the forms for the cement, we will need to buy some 2 by 4 inch lumber. How many feet of 2 by 4 inch lumber will we need just for the perimeter of the walk? (Consider ...

### Algebra

How do you find the area of a shaded area in a triangle and assume the area of the largest triangle is one unit? If the largest (outer) triangle has area =1, and it has a base length b and height h, then (1/2) b h = 1 bh = 2 Then use whatever information you have on the base b...

### math

Triangle ADE is inside rectangle ABCD. Point E is half way between points B and C on the rectangle. Since AB is 8 cm and side AD is 7 cm. 1. what is the area of triangle ADE? 2. what is the ratio of the area of the triangle ABE to the area of triangle ADE? 3. What is the ratio...

### 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

### maths

A metal pipe is 63cm long. Inner diameter of a cross section is 6m and the outer diameter is 8cm find:-surface area of the base a , surface area of the base b , the outer curved surface area inner curved surface area total surface area

### 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?

### Physics

A coil is wrapped with 200 turns of wire on the perimeter of a square frame of sides 20.5 cm. Each turn has the same area, equal to that of the frame, and the total resistance of the coil is 2.01 Ω. A uniform magnetic field is turned on perpendicular to the plane of the ...

### Math

Suppose you have 100ft of fence to make a play area for your dog. Does a square or circle provide more area? What other factors might you take into consideration in designing your play area?

### Math

Compute the area of a triangle with a base of 15 cm and an altitude of 10.5 in. Area (to the nearest tenth) = cm2 I plugged everything into the area formula which is A = (1/2)bh . A=.5x15x10.5= I got 78.75 rounded 78.8. The computer keeps saying I am wrong. What am I doing wrong?

### Security

What portion of the airport is designed and used for landing, take off, or surface maneuvering of aircraft? A. Control tower B. Air operations area C. Control functions area D. Exclusive area im confused between A and C

### Math Challenge

Please help, even if you only know 1 answer. 1. The length of each side of rectangle R is an integer, and the area of R is 2009. What is the largest possible perimeter of R? 2. If i place all three operational symbols +, -, x, in all possible way into the blanks if the ...

### 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 correct if so is ...

### 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.

### MATH PLEESE HELP ITS URGENT

There are 3 gardens below. They are all joined. Garden A and C are are perfect squares. A is 121 m2 and C is 169 m2. What is the area of garden B? Label all the dimensions and then find the perimeter of the entire three gardens that are joined together? All I know is that ...

### 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?

### French immersion grade 5 math perimeters

My child needs to write out equations for various shapes on grid paper, using French. Finding the perimeter eg:P=(L+L)x2 also finding the Area. The shapes are complex, and I am lookin for help in figuring out how to write the equations properly, using the French. Can you help?

### 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 =________

### High School Geometry

The figures in (a) and (b) below are made up of semicircles and quarter circles; the figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of Ï€. since I can't put a URL to the pic I will try to describe it 1/ a ...

### algebra

The length of the sides of a square measures 2x-5. The length of a rectangle measures 2x and the width measures x+2. For what value of x is the perimeter of the square the same as the perimeter of the rectangle.

### Calc 2 Urgent Surface Area

Find the area of the surface generated when y=4x and x=1 is revolved about the y-axis. We have to use the surface area formula.

### Updated Math Question

The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true? A.The area of circle B is 9 times greater than the area of circle A. B.The area of circle A is 9 times greater than the area of circle B C.The area of circle B is ...

### science

why did a portion of the tabletop get cold when Natasha placed her cold drink on the table. a.the table's molecules were vibrating more slowly in that area b.the table's have spread farther apart in that area c.the table's had gained energy in that area d.(this is blank ...

### 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 GR, RC and GC is 2:1:...

### 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 circle has area 121...

### math inequalities please check

A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The length must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60 m^2. 1.)Write as system...

### math-trig

a concrete border is to be built around a traingular flower garden that has sides of 10m , 7m and 8m. the border is to be staight walking path 1m wide on all sides of the garden. before the concrete can be poured, wooden forms need to be placed on the inside perimeter and on ...

### math -trig

a concrete border is to be built around a traingular flower garden that has sides of 10m , 7m and 8m. the border is to be staight walking path 1m wide on all sides of the garden. before the concrete can be poured, wooden forms need to be placed on the inside perimeter and on ...

### Algebra

In a right triangle, the legs are each reduced by half. How is the area changed? Choice - I figured 1/4 A. the new area will increase 4 times the original B the new area will decrease 1/8 original C. The new area will increase 8 times original D.the new area will decrease 1/4 ...

### Challenge Problems - Math

Please help, even if you only know 1 answer. 1. The length of each side of rectangle R is an integer, and the area of R is 2009. What is the largest possible perimeter of R? 2. If i place all three operational symbols +, -, X in all possible way into the blanks if the ...

### 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?

### science help PLS

What is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure? As air pressure in an area decreases, the density of the gas particles in that area decreases. As air pressure in an area decreases, the density of the gas...

### 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= <36 b. Write an ...

### geometry

A regular hexagon has side lengths 15 in. The perimeter of the hexagon is 90 in. A second hexagon has side lengths 18.75 in. Find the perimeter of the second hexagon. Round to the nearest tenth.

### Algebra

Here's the question: Jose needs to enclose a rectangular section of his yard. The area is 35 sq. ft. and the perimeter is 27 sq.ft. Find the length and width of the section. The issue I'm having is that I think I need to find the common fators of 35 and 27 and they have no ...

### math

a rectangle is twice as long as it is wide. if both of its dimensions are increased by 4m, its area is increased by 88m^2 find the dimensions of the original rectangle Original rectangle = w for width and 2w for length. Area = w x 2w Larger rectangle = w+4 for width and 2w+4 ...

### science

1. How is the equator similar to the prime meridian? (1 point) Both the equator and prime meridian are lines that divide Earth into the Northern and Southern hemispheres. Both the equator and the prime meridian are imaginary base lines from which locations of Earth can be ...

### 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 ft, what are the ...

### math

The figure shows 2 similar squares, A and B which overlap each other. The ratio of the shaded area to the total area of square B is 3:5. The ratio of the shaded area to the total area of square A is 9:17. What is the ratio of the shaded area to the total unshaded areas of the ...

### Algebra

If the trend continued, in how many years would the median home value be $170,000? Show how obtained your answer using the linear equation you found in part c) Suppose that the width of a rectangle is three feet shorter than length and that the perimeter of the rectangle is 86...

### 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?

### calc

1.A norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window find the dimensions of a Norman window of maximum area when the total permeter is 16ft. 2. A rectangle is bounded by the x axis and the semicircle y=square root 25-x^2. what...

### Geometry

When finding the surface area of a composite figure, which in this case consists of a square pyramid sitting on top of a cube, I know that the first step is to find the surface area of the cube, but after that I would find the surface area of the square pyramid, but do I ...