area, perimeter

20,961 results, page 35
1. math

The area A equals = πr^2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when r equals= 3ft? This is 9pie right? not 6pie?

asked by John on March 9, 2015
2. science/math

sandy made a drawing of a rec tangle to show the area of the library. what is the area ,in square yards of the library? what stands for (1) square yard

asked by johnathan on May 3, 2010
3. math

the area of an equilateral triangle is given by the expression s^2 x square root of 3/4, where s is the side length of the triangle. what is the area of the triangle? round to the nearest tenth the triangle is 5 cm on all three sides.

asked by math on December 26, 2014
4. geometry

The volumes of two similar figures are given. The surface area of the smaller figure is given. Find the surface area of the larger figure. V = 8ft^3 V = 125ft^3 S.A. = 4ft^2

asked by pj on April 13, 2011
5. College Geometry

A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the reflecting pool? What is the Area if the grass?

asked by Rachael on September 11, 2011
6. calculus

A rectangle is bounded by the x-axis and the semicircle y = ¡Ì36 ¨C x2, as shown in the figure below. Write the area A of the rectangle as a function of x, and determine the domain of the area function.

asked by Bridgette on September 29, 2011
7. ratio/proportion

a bag of 3lb of Fairlawn's number 25 of grass seeds cover 4000ft2 area. how much an area will be if 16oz of the same seeds cover please answer fast as you can

asked by rian on November 13, 2013
8. maths

the side of triangular park are 8m 10m 6m A small circular area of diameter 2m is to be left out and the remaining is to be used for growing roses how much area is used for growing roses

asked by manpreet on February 4, 2018
9. geometry

ABCD is a square with area =625 in square. The circumfrence centered in circle is circunscribed by ABCD. Find the approximately value of the shaded area. Use pie = 3.14

asked by Sonia on May 20, 2010
10. Math

"Find the area of a rhombus with sides of length 10 in. and longer diagonal of length 16 in." and Also, how do you solve the problem "Find the area of a regular decagon with radius 4 cm."

asked by Celina on June 9, 2013
11. 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 26, 2012
12. 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
13. 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
14. 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
15. Elementary Algebra

The perimeter of a soccer field is 280yd. The width is 5yd more than half the length. Can you help me with the formula to solve this problem?

asked by Wanda on August 5, 2012
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 22, 2010
17. 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

The perimeter of a rectangular field is 380 yd. The length is 10 yd longer than the width. Find the dimensions. Please help and show work thank you

19. 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

A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

asked by Sammi on March 11, 2010
21. Math (Geometry)

A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

asked by Sammi on March 11, 2010

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 16, 2008
23. math

Gabriel walked 100m around the perimeter playground.How long and how wide could the play ground be? give three different answers.

asked by Emma on April 19, 2015
24. 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
25. 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
26. 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
27. Geometry

the perimeter of an equilateral triangle is 32 centimeters. find the length of an altitude of the triangleto the nearest tenth of a centimeter.

asked by Franka on February 15, 2011
28. 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
29. 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
30. Geometry

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

asked by Gia. on November 27, 2012
31. 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 22, 2012
32. algebra

Arrange 9 square tiles having side of lengths2cm in different ways. Find the perimeter of The resulting figure in each case.

asked by algebra on March 9, 2017
33. HELP WITH ALGEBRA!!!!!!!

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 16, 2008
34. Geometry

Can you help me.the lengths of the sides of a triangle are in the extended ratio 3:10:12. The perimeter is 400cm. What is the length of the longest side in centimeters.

asked by Dean on February 11, 2015
35. 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 22, 2018
36. 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 Moony on October 21, 2018
37. 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
38. 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
39. algebra

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 16, 2008
40. algebra

find the lenngth of each side of the rectangle so that it has the given perimeter. p= 50 in length is 2L-5 width is L is my formaula i am needing to do this 50=2L-5+2*L i am looking at the formula of P=2L+2W do i have this written right should have been 50

asked by allen on March 29, 2007
41. 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
42. 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 14, 2011
43. math- quick help!

asked by Audrey on November 14, 2011
44. 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
45. 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
46. 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
47. 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
48. 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 11, 2014

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
50. 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
51. 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
52. 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 21, 2013
53. 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 27, 2012
54. 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
55. 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
56. 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
57. 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

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 25, 2010
59. 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 21, 2007
60. 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
61. 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
62. 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
63. 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 27, 2014
64. 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
65. 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
66. 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
67. 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 9, 2015
68. 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.

69. 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
70. 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
71. 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 5, 2013
72. 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
73. 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
74. 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
75. 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
76. 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
77. 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
78. 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
79. 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 4, 2013

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
81. 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 21, 2012
82. 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

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 20, 2009
84. 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 23, 2011
85. 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
86. >_<

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 20, 2012
87. 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
88. 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 3, 2011
89. 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 4, 2014
90. 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
91. 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
92. 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
93. 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
94. 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
95. 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
96. 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
97. 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 4, 2008
98. 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 17, 2010
99. 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