# area, perimeter

20,961 results, page 20
1. ## Math

The figure is a parallelogram. If the area of triangle BCD is 15 square kilometers, What is the area of ABCD?

asked by Isabella on February 10, 2014
2. ## Maths of class 9

P and q are points on side CD of a parallelogram ABCD. Show that area of trianglePAB =area of triangleRAB

asked by Abdullah on November 25, 2016
3. ## math

Find the area of the other figure to the nearest whole number. The area of the smaller trapezoid is 771 m2.

asked by Rachel on May 21, 2013
4. ## Geometry

What is the surface area and lateral area of a regular triangular pyramid if the slant is 7 and the altitude is 5?

asked by K on April 1, 2013
5. ## math problem

The area A of a triangle with base b and height h is given by A = ½ bh. Find the area when b = 24m (meters) and h = 12m.

asked by Ann on August 22, 2008
6. ## geometry

Need help in finding -the lateral area and surface area for a cylinder whose height is 8cm and radius is 9 cm.

asked by Mary on May 11, 2011
7. ## Math

Explain how the area of a parallelogram is related to the area of a triangle when both figures have the same base and height

asked by Micheal on May 6, 2016
8. ## Jr. Math

FIND THE AREA OF A GARDEN THAT MEASURES 31/4 BY 4/5 YARDS. AREA=LXW. i GOT 23/5 AM I CORRECT. THANKS IN ADVANCE

asked by Americal on October 31, 2012
9. ## Calculus

Use Riemann sums and limits to compute the area bounded by f(x) = 10x+9 and the x axis between x=10 to x =5 The area is = to

asked by Anonymous on November 23, 2014
10. ## Geometry

Determine the height of a right cone whose lateral area is 136rr ft^2 and base area is 64rr ft^2

asked by Mary on May 11, 2011
11. ## Calculus I

Section Area: Use Riemann sums and a limit to compute the exact area under the curve. y = 4x^2 - x on (a) [-0,1]; (b) [-1, 1]; (c) [1, 3]

asked by Sandra Gibson on April 14, 2012
12. ## science

For a given area of land, the average rate of creep is 14 mm per year. How long will it take the area to move 1 m?

asked by joan on March 25, 2013
13. ## Math

The blocks of a side walk block are 6ft by 12ft.the blocks for a drive way are 6ft by 12ft.what is the diffrence between the area of the side walk block and the drive way block.what is the perimeter

asked by Gia on April 2, 2012

i need some explanation on Area of Trapezoids and Parallelograms....? can some body explain how to find the area?

asked by Austin on March 3, 2010
15. ## math

What is the surface area of a cylinder with a top area of 35pi and a height of 20cm

asked by meme on March 13, 2012
16. ## Calculus

f(x)=x^2 - 5x +7 and g(x) 3/x 1) Indicate points of intersection 2) compute the area enclosed by the graphs of f(x) and g(x). 1) (1, 3) , (3, 1) 2)Area = âˆ« [1 to 3] [(3/x) - (x^2 - 5x + 7)] dx = [3 ln x - (1/3)x^3 + (5/2)x^2 - 7x = 3 ln 3 - 8/3 am i

asked by Rain on September 26, 2006
17. ## math

An island has an area of 50 square kilometre.what would be its area on a map of scale 1:20000?

asked by vaidehi .k.b on September 7, 2016
18. ## solid mensuration

if triangle ABC is equilateral,BD\BC=1\3 and AF\AB=1\3.what is the ratio of the area of triangleABC to the shaded area?

asked by jeo on December 1, 2015
19. ## math

what is the area of the largest circle that will fit in a square with area 64 cm squared please help me its confusing

asked by Katherine on April 15, 2010

An area for planting crops is given by: A = 800 + 20x - 1/2x^2 Find the value of x which the area is a maximum

asked by Julia on September 11, 2014
21. ## Algebra

What is the length of the side of a square that has area smaller than the area of a circle with radius r cm.

asked by Anish Panda on March 6, 2016
22. ## Math

In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.

asked by Matt on March 5, 2017
23. ## math

under which transformation is the area of a triangle not equal to the area of its image? i think the answer is dilation

asked by pavleen on February 13, 2011
24. ## LSU

Determine the surface area of a cylinder whose height is 2m and whose base has an area of 9 pi m square?

asked by Allison on December 2, 2008
25. ## Calculus

Find the area of the region bounded by f(x)=5xsqrt(121−x2) and the x-axis. The area is = to

asked by Lis on May 8, 2015
26. ## math

What is the surface area of a cylinder with a top area of 36pi and a height of 20cm

asked by meme on March 14, 2012
27. ## Science

In the ocean, there are area's where there are very few living things. _______ is the term that when this happens to a natural area.

asked by Jojo on April 8, 2015
28. ## Math

In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.

asked by Scarlet URGENT on March 5, 2017
29. ## math

how would i find the area of the parallelogram if the area of each right triangle region is 7 1/2 square inches

asked by hannah on November 29, 2011
30. ## maths

if 2cm on a map represent 5km,what area is represented by an area of 9sq cm?

asked by kuki on September 19, 2017
31. ## Algebra

The base of a triangle in terms of x is: 2^2+4x+2 and the height is x^2+3x-4 Area=1/2(2x^2+4x+2) (x^2+3x-4)= 6x^2+2 (x^2+3x-4) Trying to find the area and not sure which direction to go

asked by Babydoll2007 on November 2, 2014
32. ## Geometry

In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.

asked by Matt on March 5, 2017
33. ## math

he area of a triangle with base b and height h is given by A=1/2 bh. find the area when b =15 (meter) and h= 40m

asked by Anonymous on July 29, 2010
34. ## math

Triangles C and D are congruent. If the area of the rectangle is 20 square units, what is the area of the triangle C?

asked by Isabella on January 28, 2014
35. ## geometry

14. Question says that there is a triangle with a base of x units and height h units and two sides of length 10 units. Answer the following questions: • Draw a representation of this situation (the triangle). • Find a formula for h in terms of x. h =

asked by nisha on July 10, 2012
36. ## math

write the expression that can be used to find the area of a polygon made of triangles with an area of n square units each

asked by ronald on January 24, 2011
37. ## algebra

The area A of a triangle with base b and height h is given by A=1/2bh. Find the area when b=45m(meters) and h=86m.

asked by shawn on May 27, 2011
38. ## calculus

Given the area is in the first quadrant bounded by y²=x, the line x=4 and the 0X What is the volume generated when this area is revolved about the 0X? the answer is 25.13 but I don't know how. help me please

asked by ced on May 1, 2016
39. ## Algebra

Area of a square. Find a polynomial A(x) that represents the area of the shaded region in the accompanying figure.

asked by Shandra on February 18, 2009
40. ## algebra 1

what is the area of the largest circle that will fit in a square with area 64cm squared? EXPLAIN. please help this stumped me

asked by tay on September 9, 2008
41. ## calculus

There are an infinite number of triangles that must be isosceles and have two legs that measure 10 cm, each of them has an area. what is the biggest area such a triangle could have?

asked by sarah on September 2, 2009
42. ## Math

The area of one of the bases of a figure is about 21.2cm. The other is 7cm on three side and height of 9cm. What is the surface area

asked by Constance on December 14, 2016
43. ## geometry

Calculate the lateral area and surface area of a pyramid whose height is 8 ft and whose base is square with 12 ft sides.

asked by JOY on May 12, 2011
44. ## math

The sum of the area of the six congruent circles is 150 pi square centimeters. What is the area of the rectangle? Exact value

asked by Shaniqua on January 30, 2011
45. ## math need help please

The area H of a triangle with base b and height h is given by H=1/2bh. Find the area when b=21m (meters) and h=38m.

asked by nonna on November 22, 2008
46. ## geography

what are two facts about Aswan High Dam and its impact on the area and two o pinions about that would most likely be shared by some residence of the area?

asked by katya on May 6, 2010
47. ## maths

AD is a median and P is the midpoint of AD of triangle ABC. BP and CP are joined show area (BPC)=area(ABD)

asked by Anonymous on January 3, 2013
48. ## maths

ABCD is a parallelogram and E is the midpoint of the side CD . Prove that area (ABED )=3×area of (triangle BEC )

asked by Anonymous on December 27, 2015
49. ## math

asked by Ann on August 30, 2011
50. ## Maths

find the area of equilateral triangle with measure of side area a,b, c by using multiple double integration

51. ## math

The circle below has a radius of 17y meters. Find the exact area and simplify the expression. Use pi for π.(A=πr^2) The area is..

asked by Duran on May 15, 2016
52. ## algebra

Perimeter of a rectangle. The width of a rectangle is three fourths of the length. The perimeter of the rectangle becomes 50 cm when the length and the width are each increased by 2 cm. Find the length and the width.

asked by Anonymous on March 12, 2011
53. ## Algebra

a farmer wants to enclose a rectangle garden using the sides of her barn as one side of the rectangle. what is the maximum area which she can enclose with 60ft of fence? what should the dimensions of the garden be to give this area? Max area which she can

asked by ShelbyA on April 29, 2012
54. ## Algebra

A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 100 ft of fence? What should the dimensions of the garden be to this given area? The maximum

asked by Kelly on November 21, 2011
55. ## Calculus ll - Improper Integrals

Find the area of the curve y = 1/(x^3) from x = 1 to x = t and evaluate it for t = 10, 100, and 1000. Then find the the total area under this curve for x ≥ 1. I'm not sure how to do the last part of question ("find the the total area under this curve for

asked by Alyssa on October 2, 2010
56. ## Math - Geometry

A cylindrical solid has a cylindrical circular hold drilled out of the center. Bascially, it's a circular cylinder with a hollow spot right down the middle. Find the surface area of the resulting solid. radius of larger circle: 2in radius of smaller circle

asked by Nikki on May 21, 2008
57. ## Calculus

A rectangle is bounded by the x-axis and the semicircle y=ã(25-x^2). Question is, what length and width should the rectangle have so that its area is a maximum, and what is the maxuimum area? Area= length*width = 2x*y= 2x*sqrt(25-x^2) Now, take that,

asked by Tezuka on October 6, 2006
58. ## shortest fence

this is my last question from applications of derivatives! A 216m^2 rectangular pea patch is to be enclosed by a fence and divided into two equal parts by another fence parallel to one of the sides. What dimensions for the outer rectangle will require the

asked by Jen on November 18, 2006
59. ## maths

AD is the median of triangle ABC and G divides AD in the ratio 2:1 .Prove that area (triangle AGB )= area (triangle BGC )=area (triangle AGC )=1Ã·3area (triangle ABC )

asked by Anonymous on December 29, 2015
60. ## geometry

A farmer has 30yd of fencing and wants to enclose an area beside his barn. What are the dimensions of the region of maximal area, and what is that maximal area if the region is an is isosceles triangle with its base along side of the barn. Given -> legs of

asked by david on December 13, 2011
61. ## math

The figure shown is a rectangle. The green shape in the figure is a square. The blue and white shapes are rectangles, and the area of the blue rectangle is 40 square inches. Enter an expression for the area of the entire figure that includes an exponent.

asked by Roopsy Ghosh on April 13, 2017
62. ## algebra 2

suppose you are enclosing a rectangular area to create a rabbit cage. you have 80 ft of fence and want to build a pen with the largest possible area for your rabbit, so you build the cage using an existing building as one side. make a table showing the

asked by jenny on October 15, 2010
63. ## Math

The surface area of the moon is 37 832 330 km squared. Calculate the side length of a square with the same area.

asked by KimY on October 1, 2011
64. ## maths

A swimming pool is 23.5m long. If a boy swims 4 lengths how far is that altogether? Area = L X B Area = 94 cm square. Is this is correct.

asked by niya on May 2, 2014
65. ## Calculus

How do I find the total area of three connected equally sized pens built so as to maximize the area bounded?

asked by Don on August 24, 2012
66. ## geometry

A thin wire is formed into a rectangle with an area of 24 cm2. If it is reshaped so that the 6 cm side is 2 cm longer, how will the area change?

asked by kelly on September 27, 2010
67. ## geometry

ind the area of a circle with a radius of 1.2 meters.find the area to the nearest tenth of a square meter?

asked by yuku on February 25, 2010
68. ## maths

the area of a circle PQR with centre O is 72cmsquare. what is the area of sector POQ if angle O is equal to 40degree

asked by clinton on May 20, 2016
69. ## maths

The area of the right angled triangle abc (x+4)(x+3) is twice the area of a square with sides x cm.Write a quadratic equation in terms of x.

asked by mandy on January 23, 2014
70. ## calculus

How do you prove that the total area of a four-petaled rose r=sin2x is equal to one-half the area of the circumscribed circle?

asked by Bobby on March 10, 2010
71. ## Geometry

How do you calculate the lateral area and sueface area of a pyramid whose height is 8ft and whose base is a square with 12 sides.

asked by Mary on May 11, 2011

suppose you made your garden 5ft wide... what would its length be? what would its area be? what would be the area of the left over space in the yard.

asked by bosscat on August 28, 2013
73. ## Math

A cube has a surface area of 126 square feet. What is the area of one faces? -How do you solve this type of problems?

asked by Anonymous on November 12, 2009
74. ## physics

a European farm has a land area of 0.425km^2. determine this area in acres . 1.000 acre =43,560ft ^2

asked by ashley on September 27, 2011
75. ## Math

A kitchen floor measures 10ft by 12 ft. Calculate the minimum area and maximum area using the greatest possible error

asked by Shelby on October 27, 2014
76. ## GEOMETRY

FIND THE LATERAL AREA OF A RIGHT PYRAMID WHOSE SLANT HEIGHT IS 18mm AND WHOSE BASE IS A SQUARE WITH AN AREA 121mm^2

asked by JOY on May 21, 2011
77. ## E.D. Tech Help Please

What does it mean to say that a country's land area is positively correlated with its population? A.The larger the land area of a country, the higher its population tends to be. B. The smaller the land area of a country,the higher its population tends to

asked by Callie on November 16, 2014
78. ## Calc

Find the value of m such that y=mx divides the area under the curve y=(1-x)x in [0,1] into two regions of equal area D: D: D:

asked by James on August 17, 2016
79. ## math

what is the area of the largest circle that will fit in a square with area 64 cm squared

asked by Katherine on April 15, 2010
80. ## Math

Find area of the region under the curve y=9−2x2 and above the x-axis. area=?

asked by Anonymous on April 28, 2015
81. ## math

help on this one would be appreciated Find the area of only the area which contains both the circles r=4cosƒÆ and r=4ã3sinƒÆ

asked by samavi on August 5, 2007
82. ## history

how does the geography of an area affect the type of work that the people in that area do ?

asked by porto on October 31, 2010
83. ## geometry

I need to know surface area!!!ofall the shape!!!!!and whats lateral area ?

asked by Brandy Moore on February 23, 2009
84. ## Math

If the area of triangle wxy is 22 square inches what is the area of wxyz

asked by Garrick on April 24, 2010
85. ## Geometry

Find the radius of a cone if the total area = 12 pi and lateral area = 8 pi.

asked by Issa on May 1, 2012
86. ## Geometry

Find the radius of a cone if the total area = 12 pi and lateral area = 8 pi.

asked by April on May 1, 2012
87. ## math

Is the exact area of a circle with an 16 m radius 32 m squared? And what would be the approximate area be?

asked by Alex on November 18, 2010
88. ## science

Find flux density if area is 1mWb and area 1inch^2

asked by nidhi on February 9, 2017
89. ## Geometry

Find the surface area. sphere: area of great circle = 29.8m^2

asked by Boberto on April 12, 2016
90. ## Math

What is the lateral area, total area, and volume of a rectangular solid whose l=7, w=6, & h=2?

asked by Sumaita on February 28, 2008
91. ## algebra

Find the volume of a right circular cylinder whose base has an area of 6 cm^2 and whose height is 17 cm. am i right that V=(b1+b2)H Check the formula you used. The volume of a right circular cylinder is V=pi*(r^2)*h where r is the radius and h is the

asked by cassii on September 27, 2006

For each right triangle, draw the rectangle made by drawing sides opposite the two shorter sides in the triangle. Find the area of each rectangle. 9cm height 4cm width How does the area of each rectangle relate to the area of either triangle inside it?

asked by Danielle on December 1, 2010
93. ## social studies

Can anyone answer any of these questions....? I'm not very associated with the Chicago area.. - What site is near or at the Chicago River today? - How is the area from Lake Michigan to the Chicago River important today? What was the problem with the area

asked by andrew on November 18, 2008
94. ## Calculus

Find the area between the curve y=4/x and the x-axis from x=1 to x=e. It is a review question for my final exam and I am really stuck on how to solve You should hope for a final exam question so easy. area= INT y dx= INT 4/x dx from 1 to e area= 4ln x from

asked by Evan on April 29, 2007
95. ## algerbra 1

Antartica comprises about 10.5% of the total land area on earth. antartica has a surface area of about 5,400,000 square miles. what is the total land area on earth? write an equation and slove.

asked by miranda on September 26, 2010
96. ## Math (Area)

I need help on where to begin with this problem. You are installing a new deck around your pool. The pool is rectangular with the dimensions 8m by 4m. The deck will surround the pool and will have a width by 2m. What is the area of the deck? I know that

asked by Ali on February 27, 2012
97. ## math

1.Find the value of this fraction computation: 6(1/2 + 2/3+3/4) Calculation With Distribution (Show all steps.) Calculation Without Distribution (Show all steps.) 2.Find the perimeter of a rectangular area with a length of 13 inches and a width of 7

asked by whitedress on November 3, 2017
98. ## Physics/Math

Calculate the ratio of the drag force on a passenger jet flying with a speed of 750 km/h at an altitude of 10 km to the drag force on a prop-driven transport flying at one-fifth the speed and half the altitude of the jet. At 10 km the density of air is

asked by COFFEE on February 10, 2007
99. ## algebra/math

I have this figure of a square QRST with an equilateral triangle PQT sitting on top of the square. The figure looks like a little house... My question is if PQ equals 6 cm, then what is the area of the square? Do I need to find the area of the triangle to

asked by Mike 50 on March 11, 2009
100. ## PHYSICS (CHECK WORK)

Can somebody please check my work. I got part a right, but my answer for part b is wrong. (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is

asked by Amy on November 7, 2012