# area, perimeter

20,848 results, page 14
1. ## MATH!

how do you solve this plz show me how you do this 1. on her last three quizzes, jane scored 84, 96, and 88. what grade must she get on her next quiz to have an average of 90 for all four quizzes? 2. a square and a equilateral triangle have the same

asked by Sara! on June 9, 2010
2. ## Math

The perimeter of a rectangle is 74 centimeters. The width is doubled and the length is halved. The new rectangle has a perimeter of 76 centimeters. Find the dimensions. Okay, so in class we're learning about Systems of Equations. What are the equations for

asked by Sammi on February 16, 2010
3. ## Geometry - Bob

Problem : Howm do you find the area of a circle circumscribed about a regular pentagon with a perimeter of 50 inches. So far I each side of pentagon is 10. How do I find the radius of the circle? Is this the correct direction to go? I your link & I was

asked by mary on April 10, 2011
4. ## word problem

james has a metal frame with an 8.32 inch perimeter. If the sides are 0.04 inches thick, what is the perimeter of the inside of the frame? 0.04 x 4 + .16 8.32 - .16 = 8.16 But the book gives an answer of 8. I am not sure what I am doing wrong. Can any one

asked by tish on April 20, 2011
5. ## MTH208

The perimeter of a rectangle equals the sum of the lengths of its four sides. If the width of a rectangle is 3 inches and its perimeter is 42 inches, find the length of the rectangle

asked by Carlos Medina on June 25, 2012
6. ## Algebra

The perimeter of a rectangle equals the sum of its lengths of its 4 sides. If the width of a rectangle is 4 inches and its perimeter is 38 inches, find the length of the rectangle.

asked by Libby on March 17, 2013
7. ## Math

A small farm field is a square measuring 230 ft on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?

asked by Becca on October 29, 2009
8. ## algebra

The perimeter of a rectangle equals the sume of the lengths of its four sides. If the width of a rectangle is 9 inches and its perimeter is 52 inches, find the length of the rectangle.

asked by luis barreto on January 16, 2013
9. ## algebra

The perimeter of a rectangle equlas the sum of the lengths of its four sides. If the width of a rectangle is 7 inches and its perimeter is 46 inches, find the length of the rectangle

asked by Anonymous on January 15, 2013
10. ## Calculus

Find the exact coordinates of the centroid. y = sqrt[x], y = 0, x = 9. -------------- Is this basically 1/4 of an oval/ellipse? If so then the area would be: pi*9*3, correct? So the X coordinate would equal: 1/Area * Integral from 0 to 9 of (x*f(x))*dx

asked by COFFEE on June 17, 2007
11. ## Math (Calc 1)

Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle (as shown in the figure below). (pictures of a pentagon) If the cross-sectional area is A, determine the

asked by Craig on November 21, 2010
12. ## algebra

what is the perimeter of a triangle-like shape with sides that are: sqrt5 - sqrt3 sqrt5 + sqrt3 4 Add the three side length numbers to get the triangle perimeter. Looks like the sqrt 3 terms will cancel out

asked by kris on June 29, 2007
13. ## Geometry

1. One angle of a rhombus measures 60 degrees. If the perimeter ois 20 inches, find the length of both diagonals. 2. An equilateral triangle has an altitude of 18 inches. Find the are and perimeter of the triangle

asked by Autumn on May 19, 2016
14. ## math

The perimeter of the rectangle is 24 cm, the long side is x + 2, the width side is x , if a new rectangle is created by doubling the lengths of the original rectangle's longest sides, what would the new rectangle's perimeter be ? a. 17 cm^2 b. 24 cm^2 c.

asked by Thomas on January 6, 2014

The number of square meters in a square rooms floor area exceed the number of meters in the rooms perimeter by 60.Find the side-length of the room.

asked by Jane on April 19, 2016
16. ## math

Q. The rectangular-shaped doctor's office has an area of 120 square feet and a perimeter of 44 feet. What are the dimensions of this office space? - A. Do I add just add 120 by 44??

asked by amethyst on April 13, 2015
17. ## math

In order for Mateo to walk 1000 meters in his rectangular backyard, he must walk the length 25 times or the perimeter 10 times. What is the area of his backyard in square meters? Thanks!

asked by anon on August 8, 2017
18. ## pre-calc

a semicircle of radius r=3x is inscribed in a rectangle so that the diameter of the semicircle is the length of the rectangle 1. express the area A if the rectangke as a function 2 express the perimeter P of the rectamgle as a function of x

asked by morgan on October 3, 2014
19. ## math

In order for Mateo to walk 1000 meters in his rectangular backyard, he must walk the length 25 times or the perimeter 10 times. What is the area of his backyard in square meters? Thanks!

asked by anon on August 8, 2017
20. ## Math

The width of a rectangle is two thirds its length the width of the rectangle is 10 inches what is the perimeter of the rectangle and what is the area of the rectangle

asked by Emily on January 3, 2017
21. ## math

The area ratio between 2 similar triangles is 225/81. Find the perimeter ratio of these triangles. a) 3/2 b) 225/81 c) 15/9

asked by Kilani on December 20, 2017
22. ## geometry/math

How do I find the area and perimeter of a square when all I'm given is a diaganol line cutting the square into two equal halves, with the length of the line being 6square root2, and the angles of the square are all 90 degrees, with the angle bisected by

asked by Lauren on December 16, 2009
23. ## College Algebra

The length of a rectangle is 3 times the width . If the perimeter is to be at least 48 meters, what are the possible values for the width? (If the perimeter is at least 48 meters, then it is greater than or equal to 48 meters.) Enter the expression for the

asked by Nancy on April 18, 2011
24. ## Math

If all of the following triangles have the same perimeter, which has the greater area? a) a right triangle with legs of equal lengths b) an equilateral triangle, c) An obtuse triangle d) a triangle whose sides are all different lengths e)an isosceles

asked by Anonymous on August 9, 2012
25. ## Math

answer to travis has designed a rectangle with an area of 59 square units. his rectangle is the smallest rectangle with whole number side lengths. what are the length and width of the rectangle, explain your reasoning. what is the perimeter of the

26. ## math

Joey's playhouse has a perimeter of 28 feet. What could be the dimensions of the playhouse? Draw a model and label the length and width. Show that the dimensions equal a perimeter of 28 feet.

asked by Gabrielle on April 7, 2015
27. ## Math

A piece of paper is cut into 25 equal parts that are similar in shape to the original. what is the perimeter of one of the small pieces divided by the perimeter of the original piece of paper?

asked by Sarah on July 24, 2012
28. ## geometry

Suppose the dimensions of a rectangle with a perimeter of 22 inches are tripled. Find the perimeter of the new rectangle in inches.

asked by avril on March 10, 2011
29. ## math

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 46 ft, find the dimensions of the window so that the greatest possible

asked by Fabiola on March 30, 2007
30. ## math

The perimeter of a rectangle poultry farm is 38 meters if 3 meters are subtracted from its length as well as the breadth the length will be two times the breadth find the area of the farm

asked by heaven on September 17, 2014
31. ## math

A circle has its center at the center of a square with 12-inch sides. Using 3.14 for pi, find the area of the square not covered by the circle, then write a ratio of the circle’s circumference to the perimeter of the square.

asked by lorenzo on July 24, 2013
32. ## geometry

what do I do to solve this problem? I don't know how to work it out, so could somone show me hoe to work it out. Please help! the lenght of a rectangular playing field is 5 ft less than twice its width.the perimeter is 230 ft,so what is the lenght and

asked by keshia on March 21, 2007
33. ## Algebra Homework, HELP!

1) A rectangle has an area of 297 square inches and a width which is three inches less than four times the length. Find the length and the width of the rectangle. 2) Let x represent the length of the shorter leg in a right triangle. If the longer leg is 1

asked by Preston on October 14, 2013
34. ## Math

The length of a rectangle is 3 times the width. If the perimeter is to be at least 48 meters, what are the possible values for the width? (If the perimeter is at least 48 meters, then it is greater than or equal to 48 meters.)

asked by Kiera on November 1, 2014
35. ## math

The perimeter of the triangle is 40 inches. If you wanted to construct a similar triangle with a perimeter of 50 inches, what would be the length of the shortest side of the triangle?

asked by Megan on January 29, 2012
36. ## Math

The perimeter of triangle B is how many times greater than the perimeter of triangle A?

asked by jessica on June 12, 2012
37. ## geometry

If the perimeter of the smaller triangle is 9 cm, what is the perimeter of the larger triangle?

asked by Anonymous on February 11, 2011
38. ## Geometry

A rectangular city block measures 105 by 88 meters.The city council wants to divide the block into two triangles of equal area. What is the length of the hypotenuse of each triangular area?( I already found the area of the whole rectangle and the area of

asked by Anonymous on November 15, 2011
39. ## Math

A concrete border is to be built around a triangular flower garden that has sides of 10 m, 7 m, and 8 m. The border is to be a straight walking path 1 m wide on all sides of the garden. Before the concrete can be poured, wooden formes need to be placed on

asked by Danielle on June 3, 2007
40. ## math

A childrens play area is triangular. The sides of the play area measure 90m ,225m and 255m respectively . Calculate the area of the play area?

asked by donovan on July 27, 2012
41. ## Math

A children's play area is triangular. The sides of the play area measure 90m, 225m and 255m respectively. Calculate the area of the play area.

asked by Danielle on September 1, 2012
42. ## Math,Ratio

the length of a rectangle is 6times as long as its breadth. a.) what fraction of the perimeter of the rectangle is the length of the rectangle? b.) find the ratio of the length of the rectangle to its breadth and to its perimeter. c.) if the perimeter of

asked by Da S on December 27, 2011
43. ## Geometry

Simon and Jane have rectangular-shaped vegetable gardens. The width of Jane’s garden is double the width of Simon’s garden. The area of Jane’s garden is 4 times that of Simon’s garden. Which statement is true? Answer A. Jane’s garden has the same

asked by need Help on February 15, 2012
44. ## math ~dont know all but check some~ pls help!!!

1. Draw a model to represent the polynomial x2 + 2x + 4. (1 point) 1 big square, 1 tall rectangle, 4 little sqaures 1 big square, 2 tall rectangles, 4 little sqaures in the shape of an "L" 2 big sqaures, 4 little squares none of these 2. Simplify the

asked by TTR+S&lt;3 on May 21, 2014
45. ## Maths

A)Sam jogs 6 laps around a circular running track which has a radius of 30 meters. How far does she jog in total? B)Tom and Jerry decide to find the perimeter of their garden. Tom measures the length as 5.2meters while Jerry measures the width as 37cm.

asked by Anonymous on February 25, 2011
46. ## math

I need to know if I have this set up correctly. The perimeter of a rectangle is to be no greater than 300 in., and the length must be 125 in, Write an inequality representing the maximum perimeter. 300>2(125)+2w thanks 300>2(125)+2w

asked by jane on July 27, 2007
47. ## Calculus

Find the area cut off by x+y=3 from xy=2. I have proceeded as under: y=x/2. Substituting this value we get x+x/2=3 Or x+x/2-3=0 Or x^2-3x+2=0 Or (x-1)(x-2)=0, hence x=1 and x=2 are the points of intersection of the curve xy=2 and the line x+y=3. Area under

asked by MS on April 1, 2014
48. ## MATH

The perimeter of a rectangle is 540ft. Let x represent the width of the rectangle. Write a quadratic function for the area of rectangle in terms of its width. Find the vertex of the graph of the quadratic function and interpret its meaning in the context

asked by Anonymous on June 8, 2014
49. ## Algebra 1

Write an equation that relates the number of parallelograms in the figure (n) to the perimeter of the figure (P) number 1. square has a 4 at each end and a 5 on the top of the square and one 5 on the bottom of the square number 2. 2 squares attached side

asked by Deuce on December 4, 2017
50. ## Geometry

Ok Dr. Russ helped me find one part of the question, but I still can't figure out the values of x that maximizes volume = in. Any help is appreciated. Thanks On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced

asked by Valerie on January 22, 2011
51. ## math

niran has 72 centimeters of molding to make a frame for a print. this is not enough molding to frame the entire print.How shouldhe cut the molding to give the largest possible area for the print using the inside edge of the molding as the perimeter?

asked by maria on January 26, 2011
52. ## math 107

Use the following diagram of a flowerbed of petunias to answer the following questions. This diagram is a rectangle with ½ a circle on each end. The circle diameter is 22 feet, while the length of the rectangle is 60 feet. If you draw an X in the middle

asked by kristie on February 23, 2015
53. ## Physics

When Using A Graph To Solve A Problem About How Far A Car Traveled During Specified Time During Which It Was Accelerating, How Many Area Calculations Do You Have To Make? What Is/are The Shape/shapes You Are Calculating? ( I believe the answer is D) A. One

asked by Jenny on March 4, 2009
54. ## geometry

word problem You and 3 friends order a 24 in pizza (the diameter is 24 inches) what is the area of the pizza? Round to the nearest tenth. If you and 3 friends spit the pizza evenly, how much do you get to eat? What is total area? and what is your area? for

asked by marko on May 7, 2012
55. ## Algebra

A fish pond at the local park is a regular hexagon. a. Write a formula for the perimeter of the pond in terms of the length of a side. Explain your formula. b. Each side has a length of 7.5 feet. Find the perimeter of the pond. c. Suppose the designer of

asked by Samantha on March 14, 2012
56. ## Math (Help)!

I'm lost on where to begin with the problem... Someone help explain how the problem should be done. An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to be a 200-meter single-lane

asked by Amy on September 29, 2015
57. ## Pre-Algebra

Two similar triangles have a scale factor of 5/3. a) Find the perimeter ratio copy/original b) Find the area ratio copy/original

asked by Joy on March 5, 2008
58. ## math

Jim is putting up fence posts around a rectangular garden. He used 50 posts and placed them 2 feet apart. The length of the garden is 30 feet. What is the perimeter of the garden? What is the area of the garden? thanks

asked by ava on November 19, 2013
59. ## problem solving

Erica painted a picture of her dog. The picture has an area of 3600 cm square and is square. She has placed the picture in a frame that is 5 cm wide. What is the perimeter of the picture frame?

asked by Anonymous on April 28, 2014
60. ## math

A rectangular garden has a length of 5 units and a perimeter of 16 units . A. Draw a diagram of the garden . B. Find the width of the garden . C. Find the area of the garden .

asked by Brianna on December 14, 2011
61. ## perimeter and area

The Ding-Dong doodad is a hot seller. The Top of its box has an area of 90 square centimeters. The box's top is 15 centimeters long. How wide is it? what is the doodad box tops perimeter? W = ? A = ?

asked by a on January 26, 2016
62. ## math

The length of a rectangular playing field is 5ft. less than twice its width. If the perimeter of the playing field is 230ft, find the lenght and width of the field. 2W+2L= perimeter = 230 L=2W-5 ============ Solve these simultaneous equations. Post your

asked by cheryl on March 19, 2007
63. ## math, drbob222

For this problem is it only asking for the exprssion(formula). Or do they want me to solve it. (1) A triangle has sides 3x+7,4x-9,and 5x+6. Find the expression that represents its perimeter. My answer:P=a+b+c I think the question is asking for the

asked by Jasmine20 on December 12, 2006
64. ## science

when you use a graph to solve a problem about how far a car traveled during a specified time during which it was accelerating how many area calculations do you have to make? what is/ are the shape/shapes you are calculating? a. one area calculation, a

asked by carrie on May 13, 2010
65. ## physics

In an experiment, I drew two small electrodes on a piece of carbon paper then a large electrode around the perimeter of the paper so it formed a box around the two. What distortion of the field is produced by the large electrode around the perimeter of the

asked by Ramesh on October 25, 2018
66. ## Math help!

Hilda has a rectangular garden by the river in front of her house. The area she uses for planting tomatoes is three times as large as that she uses for beets. If she has 270 yards of fencing material to enclose the garden to protect it fro, rodents, will

asked by Yin on April 29, 2015
67. ## Math

A man owns a rectangular piece of land. The land is divided into four rectangular pieces, known as Region A, Region B, Region C, and Region D. One day his daughter, Nancy, asked him, what is the area of our land? The father replied: I will only tell you

asked by Josh on May 8, 2014
68. ## Math

The side of a square is 10 meters longer than the side of an equilateral triangle. The perimeter of the sqaure is 3 times the perimeter of the triangle. Find the length of each side of the triangle.

asked by Pat on October 29, 2010
69. ## chs

A farmer has a rectangular field with a length of 30 yards and width of x yards. If the perimeter is the sum of all four sides of the field, what is an expression for the perimeter of the field, in yards? Simplify

asked by Anonymous on January 7, 2013
70. ## baasic geometry

A rectangle has width the same as side of a square whose perimeter is 20m. the length of the rectangle is 9m. Find the perimeter of this rectangle. W=L+20m 2L+2W=9 2L+2(w+20m)=9 2L+2w+20=9 4l+20=9 4L=20+9 4L=29 L=29/4 answered below. This is the third post

asked by vero on March 14, 2007
71. ## High School Geometry

The figures in (a) and (b) below are made up of semicircles and quarter circles; the figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of Ï€. since I can't put a URL to the pic I will try to

asked by Alexa on February 24, 2017
72. ## math

the formula P= 2L+2W can be used to calculate the perimeter of a rectangle. A regtangular swimming pool has a length of 50 meters and a width of 25 meters. What is the perimeter of the swimming pool

asked by Jay on January 21, 2011
73. ## Math

If triangle ABC is similar to triangle DEF and the perimeter of ABC is 4 times greater than the perimeter of DEF , what is the relationship between the areas of the triangles?

asked by DAN on July 13, 2012
74. ## 2 questions. for math.

I have a question. can you help me. The question is, Find the side length of a square that has a permeter of 32cm? im not understanding the part where it says find the side length. because to fing the area you need to do width x length. so how do i get the

asked by Taylor on January 8, 2008
75. ## Math...

Matilda is planning a walk around the perimeter of Wedge Park, which is shaped like a circular wedge. The walk around the park is 2.1 miles, and the park has an area of 0.25 square miles. If θ is less than 90 degrees, what is the value of the radius.

asked by Anonymous on November 19, 2009
76. ## Math

In the accompanying diagram, the perimeter of isosceles triangle MNO is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4 , 5x-3, 17 and one side of the square is represented by 3x, find the length of the square

asked by Randy James on November 19, 2015
77. ## Math

The length and width of a rectangle are (x+4) cm and x cm respectively. Write down expressions for: A. The perimeter of the rectangle B. The length of the side of a square with the same perimeter If the sum of the areas of the square and the rectangle is

asked by Simon on October 23, 2011
78. ## geometry

the dimensions of the triangular lateral faces of a pyramid are dilated with a scale factor of 8/3 to create similar triangles. if the perimeter of one triangular face was 57 inches what is the perimeter of each of the dilated triangular faces

asked by stormy on April 13, 2013
79. ## Kat17!-Math

I need help with: What are the perimeter and area of a rectangle with a length of 20 in and a width of 15 in? A. P=35 in., A=300 in. to the second power B. P=70 in., A=300 in. to the second power C. P=300 in., A=70 in. to the second power D. P=35 in.,

asked by Kat17! on March 21, 2018
80. ## algebra

the area A of a triangle with base b and height h is given by A=1/2bh,find the area when b=28m(meters) and h=38m. The area is m

asked by CeCe on October 28, 2010
81. ## math

the area of the circle was measured to be 29/30 of it original area.find the percentage error made in measuring area.

asked by abigail on April 14, 2009
82. ## math

can u please help me with this math problem. i don't get how to do this question. Mrs. Mabie has a rectangle swimming pool that measures 25 feet by 14 feet. She wants to have a cement walkway installed around the perimeter of the pool. The combined area of

asked by Jaz on January 9, 2012
83. ## Algebra

The amount of paint needed to cover the calls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 60 feet and 8-foot walls requires 4.8 quarts of paint, find the amount of paint needed to cover

asked by Tracy on July 5, 2018
84. ## Fher

a laundry room is shaped like a rectangle. the area of the room is 6 square yards. the perimeter is 10 yards. The room is longer than it is wide. How wide is the room? How long it the room?

asked by Anonymous on March 30, 2011
85. ## algebra 1A

the area A of a triangle with base b and height is given by A=1/2h. find the area when b=16m(meters) and h=26. the area is 416m^2 is this correct? if not can you give me some direction? thanks

asked by Lea on September 17, 2009
86. ## math

how would you find the surface area of a cylinder with 1.7m for the diameter, and 3m for the height? would you use the formula S.A = 2pi x r x h, or S.A = area of two congruent circles + area of rectangle?

asked by beeca on December 10, 2008
87. ## math

a rectangle has an area of 4(x+3)square units. if the dimensions are doubled what is the area of the new rectangle terms of x.will the ratio of the area of the original rectangle to the area of the larger rectangle be the same for any positive value of x?

asked by allison on April 9, 2018
88. ## MATH

ABCD is a rectangle and line DX and DY and XY are drawn where X is on AB and Y is on BC.the area of the triangle BXY is 4 ,area of triangle AXD is 5 and area of triangle CYD is 3.determine the area of the triangle DXY.

asked by LISHA on August 13, 2016
89. ## MATH

ABCD is a rectangle and line DX and DY and XY are drawn where X is on AB and Y is on BC.the area of the triangle BXY is 4 ,area of triangle AXD is 5 and area of triangle CYD is 3.determine the area of the triangle DXY.

asked by ALISHA on August 13, 2016
90. ## math

Mr. Bigelow's garden is a rectangle with dimensions x feet long and y feet wide. Its perimeter is 70 feet. a. Write a function to represent the perimeter of his garden. b. What are the x- and y-intercepts of the function? c. Does either intercept make

asked by skimmy on February 8, 2018
91. ## algebra

suppose the length of a rectangle increases,but the perimeter remains at 70 feet. How does the width change? Either the width increases, decreases or remains the same. Which of these three choices makes the most intuitive sense? We know perimeter =

asked by christine on September 12, 2006

the perimeter of a recatngle is 54 inches. The width is one inch less than the lenght. FInd the length and width. I just don't understand how to find the length and width if i am only givent eh perimeter please show work thank you

asked by jamie on September 15, 2016
93. ## Math 116 Algerba

The area A of a triangle with base b and height h is given by A= 1/2 bh. Find the area when b= 29m (meters) and h = 20m. The area is ?

asked by Anne H. on November 20, 2009
94. ## math

Find the area of the following plane figure. Use = 3.14. A circle has a radius of 8 cm. What is its area? Area (to the nearest tenth) =

asked by C on July 5, 2016
95. ## Pre-Calc

Can anyone help with the following problem please...Thank u so much Let f(x) =|9x|. For the area above the x-axis and between the lines x= -9 and x=18 a. draw and label a sketch with the area shaded b. find the area of the region in the xy-plane under the

asked by Amy on December 9, 2010
96. ## perimeter and area

the area of the jazzy juicers box top is 56 square centimeters. the box top is 7 centimeters long. How wide is it? what is the box top's perimeter?

asked by a on January 26, 2016
97. ## math

lauren wants to put a border around the perimeter of her room.the room is 13feet long and has a perimeter of 48 feet.how long is the room?

asked by kay on September 24, 2007
98. ## Precal

An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to be a 200-meter running track. a) Draw a figure that visually represents the problem. Let x and y represent the length and width

asked by Abi on June 13, 2013
99. ## Precal

An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to be a 200-meter running track. a) Draw a figure that visually represents the problem. Let x and y represent the length and width

asked by Abi on June 13, 2013
100. ## Math

An isosceles triangle is inscribed inside a circle of radius 12 metres. Its height is increasing at a rate of 2 m/sec. At the instant when the height of the triangle is 18 m, at what rate a) its area changing? b) its perimeter changing? The answers are

asked by Buzz218 on October 16, 2016