# area, perimeter

20,848 results, page 20
1. ## 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
2. ## 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 2, 2015
3. ## 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
4. ## 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
5. ## 8th grade Math

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
6. ## 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 7, 2016
7. ## 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 30, 2010
8. ## Grade 10 Maths

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
9. ## 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
10. ## 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
11. ## 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
12. ## maths

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

asked by kuki on September 20, 2017
13. ## 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
14. ## 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 8, 2016
15. ## 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
16. ## 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
17. ## 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
18. ## 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
19. ## 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 13, 2011
20. ## 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
21. ## 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
22. ## 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
23. ## 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
24. ## 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
25. ## 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 3, 2009
26. ## Maths

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

asked by Mevada Gopal on December 20, 2015
27. ## math

how do you subtract the area of a part to find the area of a figure? PLEASE HELP!!!! whoever answers this please type an answer nicely

asked by Ann on August 30, 2011
28. ## 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
29. ## 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
30. ## 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 28, 2015
31. ## 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
32. ## 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
33. ## 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 25, 2011
34. ## 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
35. ## 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 16, 2016
36. ## 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
37. ## 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
38. ## 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
39. ## 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 3, 2010
40. ## 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 19, 2006
41. ## 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 22, 2008
42. ## 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
43. ## 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 30, 2015
44. ## 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
45. ## 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
46. ## 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
47. ## 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 13, 2009
48. ## 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
49. ## 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
50. ## 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
51. ## 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
52. ## 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 25, 2012
53. ## 5th grade math

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 29, 2013
54. ## 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
55. ## 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
56. ## 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
57. ## 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
58. ## 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
59. ## 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 12, 2011
60. ## 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
61. ## 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 17, 2014
62. ## 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 29, 2008
63. ## Geometry

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

asked by Issa on May 2, 2012
64. ## 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
65. ## 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
66. ## 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
67. ## Math

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

asked by Garrick on April 25, 2010
68. ## geometry

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

asked by Brandy Moore on February 23, 2009
69. ## Geometry

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

asked by Boberto on April 12, 2016
70. ## science

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

asked by nidhi on February 9, 2017
71. ## 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 6, 2007
72. ## 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
73. ## 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 19, 2010
74. ## 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
75. ## 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
76. ## 5th grade

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 2, 2010
77. ## 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 19, 2008
78. ## 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
79. ## 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 27, 2010
80. ## 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 28, 2012
81. ## 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
82. ## 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
83. ## 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
84. ## Algebra

A garden is going to be built in the city park. the garden height is 5m. and the width is 7.5 m. a. A short fence will be built around the perimeter of the garden region. Find the number of meters of fencing required. Round your answer to the nearest tenth

asked by Anonymous on June 13, 2014
85. ## 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 8, 2012
86. ## Technology

Calculate the force required to move a small pistons that has an area of 2m2,if the force of a large piston is 20n with an as area of 4m2.Hint use a formulae :a frorce of small piston divided by an area of small piston equal to force of large pistone

asked by Anonymous on June 2, 2017
87. ## Science -

"To lift an object weighing 12,000N, how much force is needed on a piston with an area of 0.060 m^2 if the platform being lifted has an area of 3.0 m^2?"

asked by Rene on October 7, 2018
88. ## Anatomy and Physiology

Which of these two options demonstrate irritability and conductivity and thus transmit electrical messages from one area of the body to another area? 1. neurons 2. neuroglia

asked by Rachel on December 2, 2008
89. ## physics

how do i calculate the pressure of a pipe with same area and constant velocity. I tried to use bernoulli's equation but it only applies if the area of the opening and end are not the same

asked by eng on October 7, 2011
90. ## Calc 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = x^−3, 1 ≤ x ≤ 5

asked by TayB on May 14, 2015
91. ## Math

Needing SERIOUS help with circumference and area circle-wise. Help? I'm not really sure where I'm messing up at, but could someone explain all the forumula stuff with area to me in layman's terms?

asked by Anita Maureen on April 24, 2008
92. ## math

Find the area of the following plane figure. A circle whose circumference measures 28 centimeters. Area (to the nearest square centimeter) =

asked by C on July 5, 2016
93. ## math

Consider what happens if you modify your function to the form y=Ax^n (from y=X^n) what is the effect of changing the value of A on the area formula? Can you justify why this should be the case? (from culculating curvy area)

asked by masae on March 20, 2012
94. ## geometry

A hemispherical dome holds a volume of 486π..find the surface area (omit the area of the circle)? I just need the formulas id use

asked by Jane on May 30, 2014
95. ## math

A rectangular lot is bordered on one side by a stream and on the other 3 sides by 600m of fencing. The area is a maximum. Determine the area.

asked by Anonymous on October 23, 2009
96. ## Calculus

Find the area of the largest rectangle with sides parallel to the coordinate axes which can be inscribed in the area bounded by the two parabolas y=26-x^2 and y=x^2+2

asked by Alexa on April 30, 2016
97. ## Geometry

In the surface area formula for cylinders, which expression represents the lateral area? πrh 2πrh

asked by Jessica on February 17, 2016
98. ## math

The total area of Canada is 9 984 670km2. Calculate the side length of a square with the same area. Show your work.

asked by vanessa on September 23, 2010
99. ## math

A rectangular painting has an area of 720 square inches. It is to be reduced by 1/6 scale factor. What is area of the miniature copy.

asked by Bill on March 4, 2011
100. ## math

Consider the area between the curve y=x^2 and the x-axis over the interval 0

asked by too on May 21, 2007