# area, perimeter

20,961 results, page 40
1. ## Geometry

#1: A ball has a radius of 1 foot. What is the surface area of the ball? A. 2 pi ft^2 B. 4 pi ft^2 C. 6 pi ft^2 D. 8 pi ft^2 #2: What is the approximate surface area of the sphere if the sphere has a measurement of 27 cm? A. 247,000 cm^2 B. 9,160 cm^2 C.

asked by William M on March 18, 2016
2. ## ALGEBRA

Beginning in 1995, three digit area codes could begin with any number except 0 or 1. The middle and last number were not limited. How many area codes became available. I know the answer is 640 but I don't know how to explain that answer.

asked by Katie on April 17, 2008
3. ## math

A composite figure is formed by combining a square and a triangle. Its total area is 32.5 feet squared. The area of the triangle is 7.5 ft squared. What is the length of each side of the square? Explain. THANK YOU!!

asked by Tim on January 14, 2016
4. ## math

A rectangular prism has a volume of 8 cubic yards. Assume the dimensions are whole numbers. What dimensions yield a prism with the greatest surface area? the leaset surface area?

asked by Mally on November 30, 2010
5. ## Word Problems

1. Express the area of a square as a function of its diagonal. 2. The height of a cylinder is half the diameter. Express the total surface area as a function of the height. SA = 2πh + 2πr^2

asked by Jackie on September 13, 2010
6. ## Physics- drwls please check

Good morning. This is a repost. The system is telling me my calculations is incorrect. I thought a fresh pair of eyes would help. Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. The piston is

asked by Mary on April 19, 2007
7. ## physics

A glass bottle of soda is sealed with a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.80 x10^5pa. Assuming that the top and bottom surfaces of the cap each have an area of .0004M^2, obtain the magnitude of the force that the

asked by CJ on April 8, 2007
8. ## Geometry

Express answer in exact form. Find the area of the larger segment whose chord is 8" long in a circle with an 8" radius. (Hint: A chord divides a circle into two segments. In problem 1, you found the area of the smaller segment.) I've no idea how to do

asked by Jessica on March 28, 2017
9. ## Math

An artist is designing the rectangular wire structure with four rectangles drawn inside. The artist has a 12 meter length of wire. If the entire area of the figure is to be maximized, what should be the length of X? I know the formula for area of a

asked by Gayle on May 11, 2014
10. ## Physics

A rectangular piece of gold is 3.1 cm long and 3 cm wide. Resistivity of gold is 2.4*10^-8. How deep is the piece when it displays a resistance of R = 1.65 μω for a current that flows along the depth-direction? I used R=(p*l)/A and solved for l. I got

asked by Lily on March 8, 2010
11. ## Math

You are given the job of laying carpet for a six-story building. At each floor the dimensions of the floor are 75 meters in length by 40 meters in width. A stairwell takes up a space 2.5 m by 1.5 m, and cuts through each floor. If the rest of the floor

asked by sarah on June 26, 2013
12. ## Algebra

Patchwork. A quilt patch cut in the shape of a triangle has a base of 5x inches and a height of 1,732x inches. What polynomial represents its area? Answer: Area of triangle is ½*b*h B=5x H=1732x A=1/2*5x*1732x=4330x^2 A=L*W L=2x-1 W=x+12 A=(2x-1)*(x+12)

asked by michelle on July 28, 2010
13. ## Math

company will enclose a rectangular area of 12 comma 600 ft squared12,600 ft2 in the rear of its plant. One side will be bounded by the building and the other three sides by​ fencing, as shown to the right. If 320 ft320 ft of fencing will be​ used, what

asked by Wael on March 11, 2016
14. ## factoring

if the length of one side of a square is 1/2h, find the representation of the area. If a side of a square is s, the area is s squared. area of square is (length of side)^2. Substitute 1/2h for (length of side) and go from there.

asked by Katrina on November 8, 2006
15. ## maths help

Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The volume of a cylinder is given by volume = (cross-sectional area) x

asked by Ali on April 23, 2007
16. ## Plz Help-----History @Ms. Sue or Reed

How was the Ohio River valley important to the start of the French and Indian War? Its resources were needed to build the colonial navy up. Britain and France disagreed over who owned the area.*** Native Americans considered this area their sacred hunting

asked by Labbayk on October 23, 2015

y=log(100493/40000*x-1) y=atan(100493/40000*x+1) y=exp(-100493/40000*x+1) Note you will need 2 integrals to represent the area. Approximate the area of the region bounded by the given curves. I can do it with two but kinda struggling over here please

asked by Jordan on March 7, 2012
18. ## Math

A rectangular school banner has a length of 36 inches and a width of 52 inches. A sign is made that is similar to the school banner and has a length of 22 inches. What is the ratio of the area of the school banner to the area of the sign? What is the ratio

asked by Jack on October 20, 2016
19. ## Math

At a park, a landscaper wishes to plant a uniform border of tulips around the outside of a 18m by 12m rectangular garden. The garden will look best if the area of the tulip border is half the area of the garden. How wide should the border be?

asked by Lorrie on May 26, 2014
20. ## math

The area of the wall you are going to paint is 50 feet2. If the width is half the height, what are the dimensions of the wall? In answering this problem follow the steps below: 1. Represent the height as ‘x’ and then write the width in terms of x (for

asked by Jennifer on January 2, 2012
21. ## Science

To lift an object weighing 21,000 N, how much force is needed on a piston with an area of 0.060 m2 if the platform being lifted has an area of 3.0 m2 ? If the weight is 21,000 N which is also a force and to find Buoyancy force then 3.0 m2 + .06 m2 = 3.6 m2

asked by Alex on January 7, 2015
22. ## physics

Water flows steadily from an open tank into a pipe. The elevation of the top of the tank is 10.2 m, and the elevation at the pipe is 3.90 m. The initial cross-sectional area of the pipe is 6.40×10^−2 m; and at where the water is discharged from the

asked by AE on November 30, 2009
23. ## Algerba

If the sides of a square are increased by 3m, the area becomes 64m2. Find the length of a side of the original square. A 4 m by 6 m rug covers half of the floor area of a room and leaves a uniform strip of bare floor around the edges. What are the

asked by Heather M on May 28, 2008
24. ## Calculus

A rectangular play area is to be fenced off in a person's yard and is to contain 108 yd^2. The next-door neighbor agrees to pay half the cost of the fence on the side of the play area that lies along the property line. What dimensions will minimize the

asked by Kiana on October 16, 2012
25. ## physics

I want to lift a 3000kg car with a hydraulic jack. With a lever, I can easily build up by hand a force = 300 N on a piston of 10cm^2 surface area. What area should the piston have that pushes the car? a. 1 cm^2; b. 10 cm^2; c. 100 cm^2; d. 1000cm^2 I

asked by alice on January 1, 2014
26. ## statistics

You have an SRS of 15 observations from a Normally distributed population. What critical value would you use to obtain a 98% confidence interval for the mean μ of the population? I know the answer is 2.602...but I do not understand why Tell me if I'm

asked by UCI STUDENT on March 18, 2014
27. ## Geometry

4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale. 9.49m, 37m, 9m, 3m 795m2; 809m2 758m2; 849m2 795m2; 822m2 758m2; 822m2

asked by Becky on May 13, 2016
28. ## Math

The area of a rectangular garden is 110 square meters. The width is 6 meters loner than one-half of the length. Find the length and the width using area=lengthxwidth

asked by Amber on April 30, 2013
29. ## Mensuration

A sheet of paper measures 30cm by 20cm. A strip 4cm wide is cut from it all around. Find the area of the remaining sheet and also the area of the strip cut out.

asked by Sunil on February 24, 2016
30. ## Calculus

For a cylinder with a surface area of 90, what is the maximum volume that it can have? Round your answer to the nearest 4 decimal places. The volume of a cylinder is πr^2*h and the surface area is 2πrh+2πr^2.

asked by John on November 4, 2015
31. ## carpentry, math

9. A carpenter needs to determine how many plywood subflooring panels will be needed for a particular job. The area that needs to be covered measures 24′ × 48′. How many 4 × 8 plywood subfloor panels would be needed to cover this area? [A. 36] B. 32

asked by doug on November 18, 2018
32. ## math

A cube with length 4cm is divided into 8 identical cubes.How much greater is the combined surface area of the 8 smaller cubes than the surface area of the original cube?

asked by james on March 10, 2015
33. ## math word problem

A rectangle garden is 30 ft by 40 ft. Part of the garden is removed in order to install a walkway of uniform width around it. The area of the new garden is one-half the area of the old garden. How wide is the walkway?

asked by Kelly on December 5, 2011
34. ## mathematics

the area of a rectangle is 175 and the length is 1 and a half times bigger than the width. find the width L x W = Area L = 1.5W 1.5W x W = 175 or 1.5W^2 = 175 W^2 = =116.666 making W = 10.80... and L = 16.20... 10.80... x 16.20... = 175

asked by ayinde on September 12, 2006
35. ## math help

the land area of a country with 20 people per square kilomoter or the land area of a country that measures 500,000 square kilometers which is bigger and how did you determine this?

asked by daniel on June 26, 2013
36. ## Math

the formula for the surface area of a cylinder is: A=2πrh+2πr^2 If the height of the cylinder is 10 inches, and the surface area is 200 sq. inches, determine the length of the radius

asked by Nancy on April 29, 2012
37. ## algebra

The formula for the area of a trapezoid is A = h(B + b) 2 . The area of the trapezoid truss in the illustration is 72 square feet. Find the height of the truss shown below if the shorter base is the same as the height.

asked by f on March 21, 2014
38. ## geology

I know that a peneplain is a flat area due to erosion, but what is the term for a flat area due to deposition? I am generally very successful with searching the internet, but I could not find the term I am looking for. Could you please help? Thank you!

asked by E.G. on August 15, 2010
39. ## math

is this correct? Determine the surface area of the right triangular prism shown below. Round all measurements to one decimal place. 3.0*3.0=9.0*2=18 8.0*3.0=24 3.0*3.0=9 the surface area of this triangular prism equals to 18+24+9= 51

asked by anonymous00000 on December 10, 2013
40. ## Maths

A sheet of paper measuring 30cm by 20cm . A strip of Wide 4cm cut from it all around. Find the área of the remaining sheet and also the área of the cut strip

asked by Anonymous on December 1, 2017
41. ## math

Here is the question I have to answer. Find the area of the specified figure. Show how you can use the formula for area to find the answer. I know you can't see the graph but can you direct me in the right direction of solving these. I don't know if there

asked by ed on April 4, 2010
42. ## Physics

A syringe has an area of 1.4 cm2 at its barrel and then narrows down to an area of 0.08 mm2 at the needle end. If a force of 5.5 N is applied to the syringe, what is the force produced at the tip of the needle?

asked by Sierra on July 25, 2012
43. ## Math

Triangle A has an area of 19,00cm squared and similar triangle B has an area of 118.75cm squared. Determine what scale factor makes triangle B an enlargement of triangle A

asked by Kim on February 28, 2013
44. ## Basic Caluculus

f(x)=2x^3-x^2+1 [1,4]=interval Using the limit process, (once with right endpts, and the other with left entdpts.) find the area under the curve and above the x-axis on the given interval i got the area to be 107.5 for right endpts. (not sure if its right)

asked by Munni on May 29, 2011
45. ## Probability

You throw a beanbag at a wall with 7 colored squares, each with an area of 1/4^2. If you hit a square, you win a prize. What is the probability of winning a prize? You need more information. For starters: 1) what is the total area of the wall? 2) Are

asked by Kara on December 5, 2006

Find the area of the figure at right in at least two different ways. Explain how you get your answer with diagrams and remember to label them with the correct units. So the image is a 10cm by 15cm and smaller box attach to the side. Like an London shape .

asked by Angel on October 11, 2016
47. ## Biology

Describe the biological interrelationships among the life forms in the area. I already pick an area but what does biological interrelationships?

asked by Sueann on September 29, 2009
48. ## geometry

Thye area of a regular hexagon is 38 cm^2. What is the area of a regular hexagon with sides 4 times as long?

asked by Steve on April 23, 2016
49. ## Geometry

The area of a regular octagon is 35 cm². What is the area of a regular octagon with sides three times as long?

asked by Samuel on April 2, 2012
50. ## Math

The area of the putting green at the golf course is 1,134 what will be the area of the putting green Theo constructs

asked by Anonymous on April 4, 2017
51. ## math

Area of a Triangle. The area in square meters of a triangle is given by A(x)=x^2+5x+6 a)Find A(5) b)If the length of the triangle is x+3 then what is the base of the triangle?

asked by Debbie on March 4, 2009
52. ## Math

The formula SA=4s can be used to find the surface area of a cube. What is the surface area of a cube with lengths of 8 1/2 inches?

asked by Amy on February 4, 2015
53. ## algebra

Write a function rule for the area of a triangle whose base is 4 ft more than the height. What is the area of the triangle when its height is 6 ft?

asked by thalia on March 27, 2011
54. ## Physics - force and pressure

A force of 2000N acts on an area of 4m^2, what is the pressure? What would be the pressure if the same force acted on half the area?

asked by OHara on June 7, 2013
55. ## physics

if each parallel conducting plates have area 1, then another area 2 is added to each plates, is the charge density and charge still be the same

asked by blasting on September 1, 2010
56. ## Math

The surface area of a bucket is 6,176cm^2. What is the surface area of a similar bucket that is smaller by a scale of 1/4?

asked by Hunter on May 8, 2013
57. ## maths

A rug covers 1/4 of the floor. The area of the rug 10ft . What is the area of the floor? my answer is 2 1/2 ft,am i right if not please explain?

asked by miki on November 29, 2011
58. ## math

The area of a circle with radius r is given by the formula A=πr^2. If a circle has area 36π square inches, what is the radius?

asked by mandy on December 7, 2011
59. ## math

area of a triangle is equal of the area of a square of side 60 m. Find the side of the triangle whose corresponding altitude is 90 m.

asked by prabhpreet singh on March 2, 2011
60. ## Math

PQR ~ STU. PQ = 12cm and ST = 9cm. The area of STU is 72 cm². Find the area of PQR.

asked by kelly on July 28, 2010
61. ## Physics repost please check

Good morning. This is a repost. The system is telling me my calculations is incorrect. I thought a fresh pair of eyes would help. Please tell me what I am doing wrong. Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted

asked by Mary on April 20, 2007
62. ## maths

A rhombus shaped sheet whose perimeter is 32cm and one of the diagonal is 10cm long painted on both the sides at the rate of rs5 per Sam.find the cost of painting.

asked by deepanshu on June 13, 2014
63. ## geometry

suppose you copy a drawing of a polygon with the given size factor How will the sides lengths angle measures and perimeter of the image compare to those of the original? a)200% b)150% c)50% d)75%

asked by Marie on October 4, 2010
64. ## Math 7

Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original? A.) 200% B.) 150% C.) 50% D.) 75%

asked by Brandon on January 15, 2013
65. ## math

Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle mesures , and perimeter of the image compare to those of the original? a. 200% b.150% c.50% d.75%

asked by sabrina on September 20, 2010
66. ## math

the perimeter of a rectangle is 270 meters. find its dimension if the width is 3/4 of its length.

asked by jackson on July 3, 2016
67. ## math

determine the area of triangle abc when side ab= square root of x, side bc= square root of x, and side ca= the square root of the square root of x. So how do I solve it. How do I add the square root of x + the square root of x + the square root of the

asked by Gina on October 24, 2006
68. ## Math

The land area of present-day Texas is about 7/20 the present-day land area. What percent of the land area of Mexico is Texas.

asked by ASHLEY on January 28, 2010
69. ## Math

the pretty perfume company designed a new perfume bottle. The bottle is to be a spherical shape with a diameter of 7cm. a) determine the volume and surface area of this bottle. b) The spherical bottle has a conical shaped lid with a diameter of 5cm and a

asked by Dolcez on June 3, 2010
70. ## mathematics

the pretty perfume company designed a new perfume bottle. The bottle is to be a spherical shape with a diameter of 7cm. a) determine the volume and surface area of this bottle. b) The spherical bottle has a conical shaped lid with a diameter of 5cm and a

asked by Dolceza on June 3, 2010
71. ## MATHS

What is Radius if Angle at centre is 150 and Arc length is 220 What is radius if Angle at centre is 270 and Area is 1848 What are area and Angle at circle if Radius is 14 and Arc length is 55 What is radius if Angle at centre is 75 and Area is 154

asked by ARKI on February 27, 2010
72. ## Math

The side of a square flower bed is 1 m and 80 cm long. It is enlarged by digging a strip 20 cm wide all around it. find the area of the flower bed and also the increase in area of the flower bed answer me.

asked by Amreen on December 3, 2017
73. ## math

A student constructs a frequency distribution where the frequency of the first class is 8 and a corresponding histogram with the area of the bar in the first class is 80. The frequency for the second class is twice the frequency of the first class. In the

asked by kaitlynn on December 14, 2015
74. ## Calculus

You are given a piece of sheet metal that is twice as long as it is wide an has an area of 800m^2. Find the dimensions of the rectangular box that would contain a max volume if it were constructed from this piece of metal by cutting out squares of equal

asked by Marie on March 26, 2014
75. ## Calculus

The area bounded between the line y=x+4 and the quadratic function y=(x^2)-2x. Hint: Draw the region and find the intersection of the two graphs. Add and subtract areas until the appropriate area is found. I found the intersection points as (-1,3) and

asked by Janet on May 9, 2011
76. ## Algebra word problems

The area of a rectangle is found by multiplying the length by the width: A=lw. A certain rectangle has an area os x^2+7x +12. Factor the trinomial to find the length ad width of the rectagle. Please read at this site:

asked by deborah on January 23, 2007
77. ## Calculus II

Here's the problem: Find the area of a plane region bounded by y=x^3 and its tangent line through (1,1). So far I have the graph on my graphing calc, so I have an idea at what I'm looking at. I found the tangent line to y=x^3 to be y=3x-2. Now I am stuck.

asked by Ace on May 29, 2007
78. ## Pre-Calculus

The surface ares S (in square meters) of a hot air ballon is given by s(r)=4 pi r^2 where r is radius of balloon (in meters). If the radius r is increasing with time (in seconds) according to the formula r(t) = 2/3t^3, t is greater than or equal to 0, find

asked by Erica on October 3, 2006
79. ## math,algebra

Can someone set this up in equations so i can solve them i would greatly appreciate it. THanks. Problem #3 The base of a ladder is 14 feet away from the wall. The top of the ladder is 17 feet from the floor. Find the length of the ladder to the nearest

asked by jasmine20 on April 17, 2007
80. ## Finding and evaluating sources

Now that you have a list of citations and their accompanying bibliographic information, what question is not relevant when evaluating the author of a source? How reputable is the author? Who considers the author an expert? Is this the last book the author

asked by christopher on April 27, 2010
81. ## math

A circle has an area of 25 pi cm^2.If a circle is drawn within that circle with a diameter equal to the radius of the first circle, what is the area of the second circle? a. 2 1/2 pi cm^2 b. 4 1/4 pi cm^2 c. 5 1/4 pi cm^2 d. 6 1/4 pi cm^2 e. 7 1/2 pi cm^2

asked by Thomas on January 5, 2014

How does a hurricane form? a.)It forms over a warm ocean water as a low-pressure area*** b.) it forms over a warm ocean as a high-pressure area. c.) it forms over cool ocean water as a low-pressure area d.) it forms over a cool ocean water as a

asked by Carla on May 14, 2015
83. ## Precalculus

a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest A) 256.5 feet b) 258 feet c) 256 feet d) 257 feet

asked by Arielt on March 29, 2010
84. ## Science

If the perimeter of the rectangular ball field is 1 kilometer which of the following could be the field's dimensions? L=312m W=188m or L= 1/2 m W = 1/2 m

asked by Alex on March 23, 2011
85. ## math

the perimeter of a rectangle is 24 inches. find the dimensions if the length is 3 inches greater than its width

asked by Joseph on November 11, 2008
86. ## Maths

Three circles with radii 1 is circumscribed tightly in an equilateral triangle. Find the perimeter of the triangle

asked by Allyn on November 17, 2016
87. ## algebra 1

i did re post it because i hd miss spells the side of a triangle are 3x+2,6x-1, and 7-x. express the perimeter of the triangle in terms of x.

asked by mirra on October 11, 2017
88. ## Math

If the perimeter of the rectangular ball field is 1 kilometer which of the following could be the field's dimensions? L=312m W=188m or L= 1/2 m W = 1/2 m

asked by Alex on March 23, 2011
89. ## algebra

find n so that squares and triangle has the same perimeter square is 8n+6 triangle is 13n+2 on two sides and 30n-28 on the other

asked by art on September 29, 2010
90. ## geometry

the perimeter of a square garden is to be at least 30 feet but not more than 64 feet.find all the possible values for the length of its sides.

asked by pink on January 29, 2011
91. ## Math

The length of a rectangle is equal to triple the width. Find the dimensions of the rectangle if the perimeter is 72 cm

asked by Ava on March 14, 2016
92. ## Math

a rectangle's width is one-seventh its length, its perimeter is 160m. find the dimensions of the rectangle.

asked by Keya on June 26, 2014
93. ## Math

If triangle XYZ is equilateral and the length of one side is 7.5, what is the perimeter of XYZ and what is the measure of each angle?

asked by Rose on September 29, 2010
94. ## math

the drawing below measures 7.8 cm by 6.2 cm what is the perimeter in meters? scale 1cm=10m the drawing is square

asked by bob on April 24, 2014
95. ## math

Keith's rectangular painting has a perimeter of 36 inches. The length of the painting is 8inches. What is the width

asked by Aliyah on February 4, 2016
96. ## geometry

The length of a rectagle is 9 centimeters more than half the width. Find the legth if the perimeter is 60 centimeters.

asked by josh on August 14, 2010
97. ## Math

The length of a rectangle is four times its width. If the perimeter is at most 130 centimeters, what is the greatest possible value for the width? 13 cm 21.7 cm 26 cm 52 cm

asked by Sara on May 7, 2015
98. ## Math

the perimeter of an equilateral triangle is 50 inches longer than the length of one side. What is the length of one of the sides?

asked by Amanda on June 18, 2012
99. ## math

the sides of a triangle are consecutive integers.If its perimeter is 126cm.find the lengths of the sides.

asked by daniel on December 14, 2016
100. ## Algebra

A rectangular fence has a perimeter of 1080 feet. The length is 3 feet more than twice the width. What are the dimensions?