# area, perimeter

20,848 results, page 35
1. ## Math

If I have a triangle and they are asking me to find the perimeter of DEF when EF is 16cm and DE is 12cm would I add those two numbers then subtract 180 from that answer?

asked by Anonymous on May 9, 2013
2. ## PLZ ANSWER THIS!!!! QUICK

Suppose the lengths of the four side of a quadrilateral are represented by the expressions 3a, a+2, 2a-1, and 3a+6. write the sum of the lenghts (the perimeter), and then simplify.

asked by yasha on October 17, 2008
3. ## math

One leg of a right triangle has a length of 15 m. The other sides have lengths that are consecutive integers. Find the number of meters in the perimeter.

asked by jeff on October 23, 2018
4. ## math

The perimeter of the polygon below is 9x-1. Find the expression for the missing side length. There are 5 expressions: 3x-4, x-5, x+1, 2x+3, and ?. I got ?=2x-6. I added all the equation and minus it from 9x-1.

asked by bob on February 9, 2008
5. ## Geometry

The perimeter of a triangle is 45 feet. The ratio of the width to the length is 2:3:4. Find the measure of each side. show work x =       a =       b =       c =

asked by Carrie on February 1, 2016
6. ## math

What is the perimeter of a rectangle if each side is a whole number of meters,and what are the possible dimensions for the length and width. List them and explain your answer.

asked by sybil on December 2, 2015
7. ## word problem - I may have the format correct

Te perimeter of a rectangleular backyard is 6x+6 yeards. If the width is x yards, find a binomial that represents the length. would it be.. (6x+6)/x division?

asked by Shawn H. on September 17, 2007
8. ## MATH PROBLEMS

draw a quadrangle below. measure the sides to the nearest 1/2 inch write the lenght next to each side .find the perimeter ..

asked by Anonymous on March 13, 2012
9. ## Geometry

Isosceles triangle base is 7 more than one-half times the legs. Perimeter is 22 centimeter Find length of each leg

asked by Gia. on November 27, 2012
10. ## math

Draw a quadrangle below.Measure the sides to the nearest 1/2 inch.Write the length next to each side.Find the perimeter.

asked by david on March 23, 2012
11. ## calculus

Find the point P in the first quadrant on the curve y=x^-2 such that a rectangle with sides on the coordinate axes and a vertex at P has the smallest possible perimeter.

asked by Gabriela on December 13, 2010
12. ## mathematics

1. you toss three coins. what is the probability P that all are heads? 2. write and simplify an expression for the perimeter of a triangle with these lengths: 1/2x, x, 5/4x for number one, i think it might be 1/8 i'm not sure.. please help!!

asked by joy on September 8, 2009
13. ## algebra

The perimeter of a picture frame has to be between 36cm and 48cm. If the length is four cm longer than the widyh, find a range for the width

asked by Anonymous on October 12, 2011
14. ## algebra

The perimeter of a tennis court is 228 ft. The length is 42 ft longer than the width. Write a set of linear equations.

asked by Anonymous on March 5, 2010
15. ## Geometry

One leg of a right triangle has a length of 15 m. The other sides have lengths that are consecutive integers. Find the number of meters in the perimeter.

asked by Mr. Alexander on August 24, 2015
16. ## math

Whats all the possible whole-number pairs of length and width for a rectangle with a perimeter of 18 meters? and how do i put it in a table/chart

asked by elizabeth Sosnovskiy on September 23, 2010
17. ## Maths

Arrange 9 square tiles having side of length 2 cm in 3 different ways . Find the perimeter of the resulting figure in each case

asked by Aanshi on March 14, 2018
18. ## math

Find the area of the partial circle, use 22/7 for pi. 1.) radius = 27 cm find the area of 1/5 of the circle 2.) diameter = 29 ft find the area of 1/3 of the circle. Help!! Please!! Thanks!! :D

asked by Ele on April 27, 2012
19. ## math

If you were given the area of a figure and told that all the dimensions of the figure would be cut in half, how could you find the area of the new similar figure?

asked by tonie on April 6, 2016
20. ## math- quick help!

asked by Audrey on November 15, 2011
21. ## Algebra

The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares) Please help me!!!

asked by Audrey on November 15, 2011
22. ## college

the area A of a triangle is calculated as A= 1/2 hB. If the height h is 12 feet and the base B is 4 feet long, what is the area, in square feet?

asked by yosea rucks on October 12, 2010
23. ## math

A tangram is a geometric puzzle made from seven pieces that form a square. Trace the pieces, cut them out, and answer the following questions. The puzzle can also be seen on wikipedia web site. a. If the area of the entire square equals 1 unit, label each

asked by m on October 28, 2010
24. ## math

One of the guest rooms in my house has two walls that are 15'6" by 8 ft, and two that are 12'3" by 8 ft. When buying paint for the walls, I estimated the wall area to be about 450 sq. ft. Find my percent area. First I need to find the total area of the

asked by Carly on August 11, 2018
25. ## calculus

The area enclosed between the x-axis, the curve y=x(2-x) and the ordinates x=1 and x=2 is rotated through 2π radians about x-axis. (a)Calculate the volume of the solid revolution formed. (b)Calculate the rotating area. from this question what about he

asked by fifi on May 28, 2012
26. ## Science

I was asked to give topic for science fair. Basically I want to have improvement in transportation. Please give me some ideas. Is there any area in transportation that is also having disadvantages means which area need to be improved so that it causes less

asked by Edd on October 30, 2014
27. ## Urgent help here! Math

Solve for the area when a rectangle of length 4cm and width 3cm has one vertex at the origin of a system of axes and another vertex on a quarter of a circle whose center is also at the origin. Find the shaded area?

asked by Vecchi on June 27, 2016
28. ## math

Solve this problem plz... A rectangle has an area of 288 cm square.if the width is decreased by 1cm and length is increased by 1 cm the area would decreasedby 3 cm square.fin the original dimension of the rectangle.

asked by Ali on January 20, 2016
29. ## Precalculus

A farmer has 1000 feet of fencing materials available to fence a rectangular pasture next to a river. If the side along the river does not need to be fenced, what dimensions maximize the enclosed area? What is the maximum enclosed area?

asked by Eva on December 12, 2014
30. ## math-PLEASE CHECK AND HELP

find the surface area and volume of the right circular cylinder. The radius is 3 and height 6. This is what I put for volume: v=pir^2h pi(3cm)^2 6 cm= 54pi cm cubed can you please check this and show work on how to do the surface area? Thanks.

asked by crystal on May 16, 2010
31. ## Maths

Hi im doing measurement at skool at the moment and i cant quite ork out some questions. Can someone please help!!!! A circular portrait photograph has a diameter 18cm and is to be placed in a 20cm square frame. Determine the ratio of the area of the

asked by Hannah on May 12, 2008
32. ## Calculus-Area between curves

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=4*sqrt(x) , y=5 and 2y+4x=8 please help! i've been trying this problem the last couple days, even asked a TA for help,

asked by Chrissy on November 22, 2013
33. ## Maths

Hi im doing measurement at skool at the moment and i cant quite ork out some questions. Can someone please help!! A circular portrait photograph has a diameter 18cm and is to be placed in a 20cm square frame. Determine the ratio of the area of the

asked by Jess D on May 10, 2008
34. ## PHYSICS

A coil with an area of 0.10 m2 is in a magnetic field of 0.20 T perpendicular to its area. It is flipped through 180° so that the part that was up is down. The flip takes 1.0 s. Estimate the average induced emf between the ends of the coil while it is

asked by Pat on May 27, 2012
35. ## math

blue rectangular tile and red rectangular tile are similar. the blue tile has a length of 10 inches and a perimeter of 30 inches.the red tile has a length of 6 inches. whats is the perimeter of the red tile?

asked by jabie on September 17, 2014

A spinner has 3 three sections, each with different point values and areas. -The 1-point section is 2/3 the area of the spinner. -The 2 point section is 1/4 the area of the spinner. -The 3 point section is 1/12 the area of the spinner. To the nearest tenth

asked by Kaila on April 26, 2010
37. ## math

direct variation the surface area of a sphere varies directly as the square of the radius. if the surface area of a sphere is 36 pi meters squared when the radius is 3 meters, what is the surface area of a sphere with a radius of 6 meters? S=k*r^2 solve

asked by anonymous on May 22, 2007
38. ## Calculus

Sketch the region on paper. If it is a finite region, find its area. Round your answer to three decimal places. (If the area is not finite, enter NONE.) S = {(x,y) | x ≥ −4, 0 ≤ y ≤ e-x/2}

asked by Kaitlyn on February 23, 2016
39. ## geometry

The perimeters of 2 similar polygons are 12 and 16. 1. What is the ratio of the lengths of 2 corresponding sides? 2. What is the ratio of the areas? 3. If the area of the smaller polygon is 54 what is the area of the larger polygon?

asked by Lue on March 28, 2014

write an expression for the area of this rectangle 20cm on the top 4cm on the right at the top and 8cm on the left.evaluate your expression to find the area.

asked by mahogany on September 21, 2009
41. ## Geometry

If a spherical ball is enlarged so that its surface area is 9 times greater than its original surface area, then the original radius was multiplied by___?

asked by Anonymous on April 2, 2012
42. ## math

Area of a trampoline is 201.1 square feet. The safety padding around the jumping surface is 1 foot wide. What is the area of the jumping surface?

asked by Mona on March 7, 2011
43. ## math

find the area of a triangle with the base 1 1/4 and height 4/9 ( Hint the area of a traingle is equals half the product of its base and height ) I came up with .55 or 11/20 is this correct ???

asked by mike on May 22, 2012
44. ## Art

Can you check these sentences, please? 1) You are forbidden to enter this area. You mustn't enter this area. 2) It wasn't necessary for John to go to work because it was Sunday. He didn't have to go to work.

asked by Mike on June 23, 2012
45. ## math

suppose a parallelogram has an area of 84 square units. Describe a triangle related to this parallelogram, and find the triangle's area, base, and height.

asked by jasmine on November 8, 2010
46. ## &gt;_&lt;

The 3 sided triangle has an area of 14 in^2. Determine the lengths of the sides of the triangles.Remember that the area of a triangle is ½ bh. bottom length= x+3 side length= x

asked by Anonymous on May 21, 2012
47. ## Calculus

If the area under the curve of f(x) = 25 - x^2 from x = -4 to x = 0 is estimated using four approximating rectangles and left endpoints, will the estimate be an underestimate or overestimate? 1) Underestimate 2) Overestimate 3) The area will be exact

asked by Johnnie on January 26, 2018
48. ## Mathematics

The surface area of a piece of gold is directly proportional to the square of its weight. By what ratio should the weight be adjusted so as to double the surface area.

asked by Anonymous on October 24, 2009
49. ## Math

A farmer wants to fence in part of her land so that her chickens will have their own little area. If she only has 28 feet of fence, what is the area of the largest pen that she can build in square feet?

asked by Abiagil on August 2, 2012
50. ## Physics - Capacitance

In the case of having two plates of a capacitor, in the formula for capacitance C = (Epsilon)(A/d), is A the sum of the areas of each plate or just the area of one plate? And if it is the latter, then it can be assumed that both plates have the same area,

asked by Kid on March 29, 2017
51. ## math

Susan has 50 ft. of fencing in her backyard. What is the largest area garden Susan can create, show the gardens dimensions and explain how you know its the largest area

asked by kaykay on January 9, 2011
52. ## math

A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is drawn with a diameter equal to the length of the triangle's height, what is the area of the circle ? a. 6 pi cm^2 b. 9 pi cm^2 c. 12 pi cm^2 d. 18 pi cm^2 e. 36 pi cm^2 please answer and

asked by Thomas on January 5, 2014

A cuboid has total surface area 149square meter and lateral surface area is 135 square meter.find its base

asked by Satya Prakash on December 15, 2015
54. ## math

The cylindrical bar is 20 cm long and has a diameter of 7 cm. Each side of the cube is 9 cm long. The surface of the solid was painted, what area in area in cm2 was painted? (Take π

asked by Holiday on January 10, 2015
55. ## math

how do we find the surface area? top: bottom: right: left: front: back: its still hard when we i find the surface area of a rectanguar prism.

asked by Celest on April 20, 2012
56. ## Calculus

if the surface area of a sphere is given by the formula SA=4pir^2, find the rate of increase of the surface area if the radius is 4 cm and is increasing at the rate of 0.5 cm/min.

asked by Jason on May 6, 2013
57. ## Math

The solids in each pair are similar. Find the surface area for solid B. Solid A: Surface area = 25 units squared. Scale factor = 5

asked by Dominique on February 4, 2011
58. ## Algebra

The diameter of a circular pizza pan is 16 inches. What is the area, to the nearest tenth, of the pan? pi*r2 = area r = diameter/2 201.1 in. squared looks good to me.

asked by La La Laquandra on March 25, 2007
59. ## SBVC

The formula for the area of a parallelogram is A = bh. The area of the parallelogram in the illustration is 300 square centimeters. If its base is three times its height, how long is the base?

asked by anonymous on October 22, 2014
60. ## College Math ll

Area of a painting A rectangular painting with a width of x centimeters has an area of x^2 + 50x square centimeters. Find the binomial that represent the length

asked by alice on February 24, 2011
61. ## math

Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a shaded area that has a 90 degree triangle in it and a 3 next to one soide of the triangle

asked by becca on May 5, 2013
62. ## Math

Area of a painting. A rectangular painting with a width of x centimeters has an area of x2 + 50x square centimeters. Find a binomial that represents the length.

asked by Cheryl on September 10, 2010
63. ## algebra

A rectangular room measures 13 ½ feet long by 22 ¼ feet wide. Find the area of the room; remember, area = length x width.

asked by kim on January 20, 2012
64. ## calculus

find the value of m so that the line y = mx divides the region enclosed by y = 2x-x^2 and the x-axis into two regions with equal area i know that the area enclosed by y=2x-x^2 is 4/3 so half of that would be 2/3 however, i have no idea how to find the

asked by Anonymous on January 6, 2008
65. ## Geometry

The area of a regular octagon is 25 cm2. What is the area of a regular octagon with sides four times as large? Can someone explain how to do this? I keep getting 2500 but i was told it's wrong.

66. ## Precalculus

1. permutation or combination: how many schedules are possible if you need to choose 5 events out of 20 for a vacation? Is it permutation?? Answer is 1860480? 2. a. How many area codes are possible ( the 3 digit number can't start with a 0)? 504? b. How

asked by Anonymous on June 5, 2014
67. ## physics

a homeowner wishes to drain her swimming pool by siphoning the water, whose depth is h, into a nearby gully a distance H below it,where H is much larger than h.she uses pipe of cross-sectional area a, and the pool has surface area A.how long does it take

asked by khomotjo on June 8, 2014
68. ## Calc AB

What is the area of the region in the first quadrant enclosed by the graph of y=e^(x^2/4) and the line y=0.5? When I graphed the two functions they don't even connect so the answer would be infinity. What am I doing wrong> Integrate y=e^(x^2/4) from x=0 to

asked by Mischa on March 27, 2007
69. ## math

Water is falling on a surface, wetting a circular area that is expanding at a rate of 9 mm2 /s. How fast is the radius of the wetted area expanding when the radius is 120 mm? (Round your answer to two decimal places.)

asked by jennifer on April 11, 2015
70. ## College Algebra

You have 800 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river,find the length and width of the plot that will maximize the area. What is the largest area that can be enclosed?

asked by Anonymous on February 18, 2013
71. ## Calculas

A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and  1 2  in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the

asked by Hannah on September 8, 2013
72. ## math

a rectangular pen with partitions is to be built from 800 feet of fencing. Express the area as a function of x alone. graph over a reasonable domain and find the dimensions of the pen of the maximum area that an be built under these conditions

asked by Anonymous on December 16, 2014
73. ## biology

Need help with FOV area (mm2) totally confused? im confused i have the FOV diameter they are: 4x = 5 10x = 2 40x = 0.5 a classmate told me she thinks the area for 40 x is: pi(5/2)^2 = 19.6 not sure if that's true or how to do it for the low and medium,

asked by jess on May 22, 2012
74. ## Algebra

You have 600 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area. What is the largest area that can be enclosed?

asked by Tori on October 18, 2010
75. ## math

An ostrich farmer wants to enclose a rectangular area and then divide it into 4 pens with fencing parallel to one side of the rectangle. There are 720 feet of fencing available to complete the job. What is the largest possible total area of the 4 pens?

asked by Leah on October 28, 2014

Ella wants to build a rectangular pen for her dogs with two distinct sections. The area of the enclosure can be represented by A= Xy and the total length of fencing can be represented by 3x + 2y = 60. If she had 60 ft of fencing to work with, determine the

asked by Jenny on June 15, 2016
77. ## geometry

The volume of two similar solids is 1331 m3 and 729 m3. The surface area of the larger solid is 605 m2. What is the surface area, in square meters, of the smaller solid? Answer A. 81 B. 121 C. 305 D. 405

asked by Anonymous on April 2, 2012
78. ## Algebra

A gardener is putting a wire fence along the edge of his garden to keep animals from eating his plants. -If he has 20 meters of fence, what is the largest rectangular area he can enclose? -What quadratic function represents the area of the garden? Thanks

79. ## Applied Calculus......

A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and 1/2 in. margins on the sides. She further stipulated that each page should have an area of 60 in.2. Find a function in the variable x, giving the area of

asked by Jacob on January 29, 2013
80. ## Calculas

A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and  1 2  in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the

asked by Hannah on September 8, 2013
81. ## math

i'm supposed to find an area of a figure but i'm not sure what it is so therefore i don't know the formula. basically, it kind of looks like a capsule but more roundish like an oval. there's two lines down the middle that both measure at 18 ft. the bottom

asked by ty on May 20, 2016
82. ## Geometry

Find the area of a regular pentagon with radius 3cm. Round to the nearest tenth. No picture is given, but I believe a circle can surround the figure. I'm not really sure how to find the area of the figure when the side length isn't given. Can you guys help

asked by Nikki on April 19, 2008
83. ## American History 110

Compare English settlement in the Chesapeake area and the New England in terms of goals, governments, social structures, and religion. What similarities do you find most remarkable? What differences do you find interesting? Which area seems more like old

asked by Gloria on December 16, 2009
84. ## Calculus-Optimal Form: need help... please

Suppose you are designing a coffee creamer container that has a volume of 48.42 cubic inches. Use the surface area and volume of a cylinder to develope an eqn. relating radius r and surface area S. ¡Ç=pi=3.14 S=2¡Çr^2+2¡Çrh V=¡Çhr^2

asked by Stephanie on November 5, 2008
85. ## Maths

A rancher wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle (see the figure below). He has 1440 feet of fencing available to complete the job. What is the largest possible total area of

asked by EB on February 26, 2014
86. ## Math-Help

I posted this the other day but no one responeded. Yes, I am looking for the steps and a answer because I can not get it. Question: Area of Painting: A rectangular painting with a width of x centimeters has an area X^2 +50x square centimeters. Find a

asked by JASMIN on March 4, 2009
87. ## science

if a dentist chair weighs 1600N and is raised by a large piston with a cross sectional area 75.0cm2, what force must be exerted on a small piston of crosssectional area 3.75cm2 to lift the chair

asked by jalani on February 21, 2017
88. ## Physics

What is the coeffecient of drag for the shape that has diameter 7.32[cm]? . Use three sig. figs. or N/A if there is not enough information. 2. You have a large wind tunnel of cross-sectional area 0.95[m2]. You have a set of shapes that are all the same

asked by Sean on April 7, 2013
89. ## Geometry

I have a pizza. The radius is 10 inches long. The pizza was cut into 16 equal slices. When 1 slice was left, my sister and I both wanted it, so we agreed to cut it in half, but I like the crust more than she does, so we decided to cut it the "other way."

asked by Kathy on June 30, 2010
90. ## Geometry

I have a pizza. The radius is 10 inches long. The pizza was cut into 16 equal slices. When 1 slice was left, my sister and I both wanted it, so we agreed to cut it in half, but I like the crust more than she does, so we decided to cut it the "other way."

asked by Kathy on June 30, 2010
91. ## Geometry

I have a pizza. The radius is 10 inches long. The pizza was cut into 16 equal slices. When 1 slice was left, my sister and I both wanted it, so we agreed to cut it in half, but I like the crust more than she does, so we decided to cut it the "other way."

asked by Kathy on June 16, 2010
92. ## physics

Grains of fine California beach sand are approximately spheres with an average radius of 50 and are made of silicon dioxide. A solid cube of silicon dioxide with a volume of 1.00 m has a mass of 2600 kg. What mass of sand grains would have a total surface

asked by hannah on January 20, 2010
93. ## Math

A triangular garden plot has one 16 foot side. The height perpindicular to that side is 12 feet 6 inches. If each plant requires 36 sq. in. of space, how many plants can be placed in the plot? Divide the area of the triangle by the area required per plant.

asked by Tay on March 6, 2007
94. ## English

Both sentences are correct. But, perhaps a better sentence would be -- "The capacious room was in one of the nine elementary schools in the area." I am writing a personal narrative for my AP english class. One sentence I had written went as follows: The

asked by Ms. Sue on May 31, 2007
95. ## Math

A pig farmer wants to enclose a rectangular area and then divide it into three pens with fencing parallel to one side of the rectangle (see the figure below). There are 940 feet of fencing available to complete the job. What is the largest possible total

asked by Winston on December 11, 2014
96. ## Geometry

The volumes of two similar solids are 1,331 m^3 and 216 m^3. The surface area of the larger solid is 484 m^2. What is the surface area of the smaller solid? A. 864m^2 B. 288m^2 C. 144m^2 D. 68m^2 I think the answer is B or C just a lil confused...

asked by Cassie on April 23, 2015
97. ## calculus

A cattle rancher wants to enclose a rectangular area and then divide it into six pens with fencing parallel to one side of the rectangle (see the figure below). There are 540 feet of fencing available to complete the job. What is the largest possible total

asked by Connor on March 24, 2015
98. ## Calculus

A ostrich farmer wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle (see the figure below). He has 820 feet of fencing available to complete the job. What is the largest possible total

asked by Amanda on April 25, 2011
99. ## Calculus

A poster is to have an area of 170 in2 with 2 inch margins at the bottom and sides and a 3 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.)

asked by Sasha on March 1, 2010
100. ## Math

Let V be the volume of a pyramid of height 15 whose base is a square of side 5. Part a). Use similar triangles to find the area of the horizontal cross section at a height y. Part b). Calculate V by integrating the crosss-sectional area.

asked by Molly on July 9, 2013