# area, perimeter

20,917 results, page 52
1. ## math

What is the area of a parallelogram where the base= 3x+1 and the height= 9. I know the area is base*height but does that mean you distribute the 9?

asked by nelly on May 10, 2014
2. ## Math

Use a radius of 50 and 3 for pi to estimate the area. Then use a radius of 40 and 3 for pi to estimate the area. Is your answer reasonable? Why?

asked by Laurie on March 8, 2012
3. ## Math

A square with a side of 4 has an area that is 80% of rectangle WXYZ. What is the area of rectangle WXYZ? 20

asked by Aveyona on March 7, 2011
4. ## statistics

when finding the area to the left of the Z score and Z= 1.43 do i subtract the z score from one or is that only when finding the area to the right of Z

asked by kate on November 6, 2011
5. ## Geometry

If a central angle of 90 degrees defines an arc on circle R that has the same length as the arc on circle W defined by a 60-degree central angle, what is the ratio of the area of circle R to the area of circle W? Express your answer as a common fraction.

asked by kylefreedman on January 12, 2015
6. ## Calculus

A spherical balloon is being inflated and the radius is increasing at a constant rate of 2 cm per minute. At what rates are the volume and surface area of the balloon increasing when the radius is 5 cm? For this problem do I plug in the 5 cm into the

asked by Andreyall on April 25, 2016
7. ## calc

A window consists of a rectangular part of height h surmounted by a semicircle of radius r. The perimeter of the window is held constant at 10 feet, but h and r are allowed to vary. Find an expression for the rate of change of h with respect to r.

asked by jump on September 30, 2012
8. ## maths

Leila has a number of identical equilateral triangle shaped tiles. How many must she put together in a row (edge to edge) to create a shape which has a perimeter ten times that of a single tile? Answer = 28 Thanks to anyone who helps

asked by Fred on November 2, 2018
9. ## Government US

The laws applicable to a case a. reveal the relevant circumstances of the case, and are determined solely by trial courts. b. are more important than the facts of a case, and supersede the facts when the two conflict. c. constrain the judiciary, because

asked by HM on September 18, 2011
10. ## physics help

The femur is a bone in the leg whose minimum cross-sectional area is about 3.60 10-4 m2. A compressional force in excess of 6.90 104 N will fracture this bone. (a) Find the maximum stress that this bone can withstand. (b) What is the strain that exists

asked by yoni on November 16, 2010
11. ## Physics Help Please

a) On the Acme W&W company production line, parts have to be transported 100 m by conveyor belt to a machine area. The parts move at a constant speed of 2.5 m/s. How much time does it take to move a part 100 m? b) On the same conveyor belt as described in

asked by Tim on September 11, 2014
12. ## physics

At high noon, the Sun delivers 1000W to each square meter of a blacktop road. If the hot asphalt loses energy only by radiation, what is its equilibrium temperature? so I know that the formula to find the RATE OF RADIATION= the constant (5.6696 x 10^-8

asked by jean on April 26, 2007
13. ## Environmental technology

Calculate the spacing acquired for the water table to drop from the soil surface to a depth of 30cm in a 2 day period over the area of 200hectars from the following data. K=4cm/hr, the drain area to be placed 105cm below the soil surface. The impeameable

asked by Julian on March 8, 2016
14. ## math/geometry

An architect is designing a small A-frame cottage for a new resort area. A cross section of the cottage is an isosceles triangle with an area of 98 square feet. The front wall of the cottage must a accommodate a sliding door that is 6 feet wide and 8 feet

asked by TY on February 20, 2012
15. ## Calculus (Parts A and B done, just help with C)

The radius, r, of a sphere is increasing at a constant rate of 0.05 meters per second. A. At the time when the radius of the sphere is 12 meters, what is the rate of increase in its volume? B. At the time when the volume of the sphere is 36pi cubic meters,

asked by Mishaka on January 18, 2012
16. ## Pre-calculus

A rectangular package to be sent by a delivery service can have a maximum combined length (y) and girth (perimeter of its cross section) of 300 inches. Assume that the width and height are the same (x). Find the equation for the volume of the box in terms

asked by Anonymous on January 21, 2016
17. ## Pre-calculus

A rectangular package to be sent by a delivery service can have a maximum combined length (y) and girth (perimeter of its cross section) of 300 inches. Assume that the width and height are the same (x). Find the equation for the volume of the box in terms

asked by Anonymous on January 21, 2016
18. ## Math

Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m and the area is 224m2, what is the length of the other base? The area of a trapezoid is: A= (1/2) h (b1 + b2) ...where h = height and b1, b2 are the bases.

asked by Tony on March 23, 2007
19. ## math

The perimeter of a rectangle is 72. the length of the rectangle is twice the width. Find the dimensions of the rectangle.

asked by Erin on December 12, 2014
20. ## math

A side of regular polygon is 3.5 cm in length.the perimeter of the polygon is 17.5 cm. How many sides does the polygon have?

asked by nimshi on September 30, 2012
21. ## math; distributive property;perimeter of a triangl

How do I find the perimeter of a triangle if each side has an expression such as: 3x, and the second side let's say -4y, or the third side is -3x...something like that. Please help. I'm trying to study.

asked by Kyra on November 14, 2010
22. ## algebra

The sides of a triangle are in the ratio 5:12:13. What is the length of each side of the triangle if the perimeter of the triangle is 15 in?

asked by Laura on August 19, 2009
23. ## math

My new TV has a perimeter of 164 inches. Its width is 8 inches less than twice the height. How many inches wide is the TV?

asked by kelly on February 25, 2013
24. ## ALGEBRA

perimeter = 24 feet triangle that have one side is b =? second side is b =? third side is b - 3 =? How to solve this problem?

asked by Lina on April 24, 2014
25. ## Trigonometry

Solve the triangle in which sin A :sin B :Sin C =3:4:6and it's perimeter equals 52 cm

asked by Mahmoud on September 26, 2016
26. ## Geometry

One side of a prallelogram is 4.8 cm and the other side is 3/2 times the first side,find the perimeter of the parallelogram

asked by Geometry on November 18, 2016
27. ## prealgebra

The length of a rectangle is 3 more than it's width. the perimeter of the rectangle is 58cm. what are the rectangle dimensions?

asked by brenda on December 3, 2015
28. ## Math

Find the length on each side of a rectangle Perimeter -24m side 1 - 2x-3 side 2 - x

asked by thi on February 6, 2015
29. ## Math

The sides of a rectangle are in the ratio 2:5. The perimeter of the rectangle is 70cm. What is the Width of the the rectangle.

asked by ann on January 5, 2012
30. ## 7th grade math

Write and simplify an expression for the perimeter of the triangle. side A)3x, side B) 5x-4 and side C)2x+5. Thank you!

asked by CJ on September 12, 2010
31. ## math

The length of a rectangle is 5 cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle.

asked by Angie on April 2, 2009
32. ## 7th grade

Write and simplify an expression for the perimeter of the triangle. side A-4x+3, side B-6X and side C-3x-1. Thank you!

asked by CJ on September 12, 2010
33. ## English

Hello. I have a sentence that needs to be clarified. "In that country which begins at the foot of the east slope of the Sierras and spreads out by less and less lofty hill ranges toward the Great Basin, it is possible to live with great zest, to have red

asked by John on March 22, 2007
34. ## Algebra 1

This is a five step problem: The width of a rectangle is 6 cm less than the length. A second rectangle, with a perimeter of 54 cm, is 3 cm wider and 2 cm shorter than the first. What are the dimensions of each rectangle. I just don't understand how to

asked by Elizabeth on November 15, 2007
35. ## geometry

Need to find the perimeter in feet... The width is 35ft and 5in The length is 10ft and 3in Need to write the answer in feet... If there is anybody that can point me in the right direction.. I know I have to convert in. into feet.. and 12in= 1 foot

asked by Bridget on December 7, 2011
36. ## algebra

A scale model of the new dog park has an area of 128 cm2. The actual dog park will have an area of 8 km2. Find the scale that has been used for the model.

asked by denise on June 3, 2012
37. ## mat117/algebra

The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle. Show me the formula and how to use it please. area= length times width 3x^2 + 5x = x * width divide both sides by x, then you have width.

asked by Diana on June 25, 2007
38. ## college algebra2

a triangle whose base is 18 inches long has an area of 280 square inches. find the area of a similar triangle whose base is 6 1/4 feet long.

asked by IRIS on February 12, 2016
39. ## Geometry

Triangle UVW is the pre-image of triangle RST with a scale factor of 3. Find the area of triangle UVW if the area of triangle RST is 9 cm2.

asked by Lindsey on May 2, 2012
40. ## algebra

Ian wants to build a rectangular pen for his animals. One side of the pen will be against the barn; the other three sides will be enclosed with wire fencing. If Ian has 450 feet of fencing, what dimensions would maximize the area of the pen? a) Let w be

asked by Anonymous on December 8, 2011
41. ## math 7th grade

The area of the original is 4x that of the reduced photo.The area of the reduced photo is 1/4 that of the original. She sent a 4 cm-by-6 cm photo to each team member.If the photo were enlarged to 150% of its original size, what would be it's new

asked by Help Asap on January 10, 2018
42. ## Math ?

I started a new math class today and I'm stuck on a problem from my worksheet. I need help with these questions. If the measure of an exterior angle drawn at vertex M of triangle LMN is x, then mangleL + mangleN is what? What is the area of a circle with

asked by Rebecca on August 21, 2006
43. ## Math

Black Eyed Peas’ 2011 Live Concert is to take place in a circular park. Due to the shape of the area, seats are set up so that the innermost row has 64 seats and each successive row has 17 more seats than the row before it. The park’s open area can

asked by Jade on June 18, 2014
44. ## Scientific Notation - PLEASSEE

A rectangular yard had a length of 0.006 kilometer and a width of 5x10^-3 kilometers. A. Use scientific notation to express the ares of the yard in kilometers, showing each step in the process. B. Convert the area into square meters using the conversion

asked by andra on November 20, 2013
45. ## maths

the perimeter of an isosceles triangle is 28cm with sides 4y = 6y-2x+1 and base x+2y all in cm .find x and y and hence state the lengths of the sides of the triangle. solution. 4y = 6y-2x+1. ; -2y+2x=1.also altitude = |4y|^2=x^2+ |x+2y|^2 =

asked by chimere on May 11, 2015
46. ## Math

The length of a rectangle is twice its width. The perimeter of the rectangle is 126 feet. (Write the equation) i've already tried to divide 126 by two which gave me 63 but i didn't know what to do with the 63.

asked by Gabriela on August 25, 2015
47. ## Math

It's suppose to be a rug is shaped like a rectangle who's perimeter is192 ft. The length is five times as long as the width. Find the length and width

asked by Priscilla on July 26, 2017
48. ## algebra 1 b

The sides of a triangle have measures of x, x, and y, and the perimeter of the triangle is 46. The measure y is 4 centimeters longer than the measure x. Write the solution for this as an ordered pair.

asked by Daniel on October 26, 2010
49. ## Algebra

The length of a rectangle mailing letter is 3cm less than twice the width.The perimeter is 30cm. Find the dimensions of the label(length and width).

asked by Meaghann on August 29, 2012
50. ## Algebra

The expression 17n + 11 represents the perimeter (in feet) of the triangle. Two sides are measured at 5n + 6 and 4n + 5. Write an expression that represents the measure of the third side.

asked by Anonymous on November 28, 2015
51. ## Math

Each equal side of an isosceles triangle is 3 1/2 inches longer than the base. The perimeter of the triangle is 2 feet. Find the length of its base.

asked by Ray on October 15, 2012
52. ## math

okay so I have to work out this problem for school work and I don't understand it. the problem is : if the perimeter of an isosceles triangle is 2x + 10, what is the length of one of the congruent sides ? PLEASE HELP ME !

asked by kayla on June 18, 2014
53. ## 5th grade Maths

With help of the 10 equilateral triangles of side 3 cm, 8 rectangles of 4*2 cm and 4 square of 3*3 cm make 3 structures using all the figures. find the perimeter of all the triangles, squares, and rectangles??

asked by Jay on November 19, 2010
54. ## Algebra Readiness

A right triangle is shown below. a=6 b=8 c=? The triangle is dilated by a scale factor of 2.5 to create a new triangle. What is the perimeter of the new triangle? answs; 120,24,60 and 150 i keep getting different answers can someone help?

asked by Rob on November 30, 2018
55. ## Math

Use a ruler to create a 6" x 8" rectangle. Cut rectangle on a diagonal. Use the two triangles to create four new shapes. List the most specific shape and its perimeter

asked by Anne on January 13, 2011
56. ## Math

Trang has a paper for an art project that is 7 inches wide and 9 inches long. She wants to decorate it with a piece of string. How much string would she need to go around the perimeter?

asked by Ryan on February 6, 2013
57. ## Statistics

A window is shaped like a rectangle whose perimeter is 400 inches the length is 7 times as long as the width find the length and the width?

asked by Ms. L on March 28, 2012
58. ## geometry

A rectangle field has a perimeter of 118 feet. The width is 8 feet longer than half the length. Find the dimensions of the rectangle.

asked by Angie on April 23, 2008
59. ## algebra

Need to solve. The length of a rectangle is fixed at 30cm. What width s will make the perimeter greater than 98cm? The width must be greater than _____ cm.

asked by Kim on November 3, 2008
60. ## Geometry

In a quadrilateral ABCD, AB is parallel to DC and AD is parallel to BC. Find the perimeter of ΔCOD if the diagonals of the quadrilateral intersect each other at pointOand AC = 20 in, BD = 20 in, AB = 13 in Can You Add the Answer,

asked by Gracie on March 24, 2017
61. ## Maths

A rectangular swimming pool measures 15m by 10m.how wide must a concrete walk around the pool be if the walk is to have a perimeter of 66m.

asked by Rishi on February 28, 2018
62. ## Algebra

rectangular room is 3 3 times as long as it is wide, and its perimeter is 40 40 meters. Find the dimension of the room. The length is : meters and the width is

asked by Seymour on January 28, 2016
63. ## geometry

A regular hexagon is composed of 12 congruent 30-60-90 triangles. If the length of the hypotenuse of one of those triangles is 18 square root 3, find the perimeter of the hexagon.

asked by damon on December 7, 2011
64. ## AP CALC

A rectangle ABOD is inscribed into the region bounded by the x-axis, the y-axis and the graph y= cos2x. what is the greatest perimeter that such a rectangle can have? Please HELP. I greatly appreciate your help.

asked by Anonymous on November 18, 2014
65. ## Algebra math Question

Find the dimensions of the rectangle meeting the specified conditions. The perimeter is 352 feet and the length is 4 1/2 times the width. width ft length ft

asked by LIYAH on November 25, 2014
66. ## math

A square room has perimeter of 32 feet. How. Many many square floor tiles with sides 1 foot long are needed to cover floor

asked by tim on December 1, 2010
67. ## Dma 040

Lenth of a rectangle is 7ft longer than twice the width. If the rooms perimeter is 158ft, whay are the rooms dimensions? Width Length

asked by Bridget on September 28, 2013
68. ## math

3. An isosceles triangle has sides length xcm xcm and 9cm. B its perimeter is less than 24 and x is a whole number. I find the lowest value of x. II find the highest value of x

asked by LIVINUS CHIDERA on April 22, 2017
69. ## calculus I

a slice of pizza, in the form of a sector of a circle, is to have a perimeter of 24 inches. What should be the radius of the pan to make the slice of pizza largest?

asked by Jesse on November 11, 2010
70. ## Formulas

What is the volume of a pyramid if the area of its base is 64 cm2 The volume of any shape that comes to a point such as a pyramid or cone is 1/3 * area of the base * height. You did not give the height, so the volume can't be found. (we could say Vol =

asked by Isaac Jones on April 12, 2007
71. ## math

Suppose I use a scale on my map where every 3 inches on my map represents 5 miles. If a region on my map has an area of 45 square inches, what is the area of the actual region it represents? hi I need help with this question, I don't know what to do.

asked by Katherine on November 30, 2017
72. ## test corrections for problems 6,11,12 and 23please

A sports team is building a new stadium on a lot of land. The lot measures 8x by 12x and the field will be 3x by 6x. how much land will be left for the bleachers, restrooms, and other parts of the stadium? So would I use the foil method or would I use the

asked by Neko on April 13, 2016
73. ## Math: Calculus

Estimate the area under the graph of f(x)=3x^3+5 from x=-1 to x=4, first using 5 approximating rectangles and right endpoints, and then improving your estimate using 10 approximating rectangles and right endpoints. I'm having problem with using the

asked by REALLY NEED HELP!!!! on November 12, 2010
74. ## math - 5th grade

Hello: I am having difficulty witht the following math: Question #1 If the area of a circle is 27 sq. in. What is the radius? I am coming up with an answer of 13.5 sq. in. Is that correct? If not, can you show me step by step how to get the answer?

asked by Sylvie on February 20, 2010
75. ## 6th Grade Geometry Help and A.S.A.P!!

I forgot so, when calculating a circle's circumference, and area do you measure the circle in inches or centimeters? Also, calculating a rectangular prism's surface area and volume do you use inches or centimeters to measure it? Thanks. Please answer as

asked by MusicLover14 on April 1, 2015
76. ## Math

On a centimeter dot grid, draw all the possible rectangles with a perimeter of 14 cm and sides whose lengths are whole centimeters. Label the lengths of two adjacent sides of each rectangle.

asked by Martha on May 26, 2016
77. ## Math

On a centimer dot array draw all possible rectangles with perimeter of 16 cm and sides whose lengths are whole centimeters label the lengths of two adjacent sides of each rectangle

asked by Anonymous on January 27, 2015
78. ## Mahts

The perimeter of a field is 300m and its length is 100m. What is its breadth? P= (l + b)2 300=(100+b)2 300=100b X 2 300= 200b 300/200=b Is this is correct.

asked by Anonymous on May 12, 2014
79. ## math

Flipo is building a rectangular sandbox for his younger brother.The length of the sandbox is 1 foot longer than twice the width of the sandbox. The perimeter of the sandbox is 29 feet

asked by asia on April 17, 2015
80. ## Algebra

A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

asked by Seymour on January 28, 2016
81. ## Math

Lucita was given a rectangular piece of plastic tile shaped in a rectangle. What is the perimeter of the piece of tile in inches? It's width is 2 1/5 in and its height is 5 1/3in A.14 1/2 B.14 4/15 C.15 D.15 1/15 C?

asked by Jerald on November 13, 2012
82. ## math

The perimeter of a right triangle is 24 inch. Find the dimensions of the triangle if the sides are all whole number lengths. My answer: 6, 8, 10 do I have to put a unit like inch or feet?

83. ## algebra

Find n so that the square and triangle have the same perimeter. The square is 8n+6, the triangle is 13n+2 on two of the sides and 30n-28 on the other side. This is the question that I have for homework,I don't understand it. Thanks

asked by art on September 30, 2010
84. ## geometry

a regular hexagon is composed of 12 congruent 30,60,90 degree triangles. if the length of the hypotenuse of one of those triangles is 18 square root 3 find the perimeter of the hexagon

asked by damon on December 13, 2011
85. ## Algebra (check answer)

The expression 17n + 11 represents the perimeter (in feet) of the triangle. Two sides are measured at 5n + 6 and 4n + 5. Write an expression that represents the measure of the third side. Would 8n + 22 be correct?

asked by Anonymous on November 28, 2015
86. ## algebra

How do I do this? You are building a corner cabinet, the walls intersect at a right angle. What is the perimeter of the cabinet if the height is 30 inches, the hypotneuse is 42 inches, and the base is unknown?

asked by Tabby on December 7, 2007
87. ## 4th grade

tawny bedroom is a rectangele that is 12 long and 9 feet wide. if tawny puts a wallpaper border around the entire perimeter of the room how many feet will she need

asked by oshane on March 31, 2010
88. ## Math

I NEED TO KNOW HOW TO DO THE WORK FOR THIS QUESTION!!!!!!!!!!!!!!!!!!! Find the length of each side(triangle) first side-x second side-x+2 third side-x+3 Perimeter=35m "answer = 10m, 12m, 13m" ^^^^how do you get this???

asked by Ahri on March 24, 2017
89. ## maths

A student says that the perimeter of a rectangle with length 2x-1inches and width 3x inches can be written as 10x-1inches because 2(2x-1)+2(3x)= 10x-1. Explain why the statement is incorrect

asked by Gabby on October 3, 2014
90. ## math133

a photograph measures 9 in by 12 in. earl put it in a frame that addded 2in to everyside. find the ouside perimeter and total of the photograph and frame.

asked by TIM on October 16, 2009
91. ## Geometry.

prove that the distance between any two points inside triangle abc is not greater than half the perimeter of triangle abc my teacher said to try doing this proof by contradiction. can someone please help??

asked by Sammy on December 19, 2013
92. ## algebra

2x + 3y is less than or equal to 6 solve b=6c for c The length of a rectangle is fixed at 15cm. What widths will make the perimeter greater than 80 cm? solve the compound inequality: 6>-5x + 5 or 10 is less than or equal to -5x+4

asked by Bubba on August 23, 2010
93. ## estraellamountaincommunity college

an American football field is a rectangle with a perimeter of 1040 feet the Lenght is 200 feet more than the width find the demensionof the field

asked by robinson on October 7, 2013
94. ## algebra

the floor plan of a room has a scale of 2.5 in.:32ft. in the drawing,the length of the room is 8in.and the width of the room is 6 in. what is the perimeter of the actual room? i think is 392 ft or help

asked by pizza7 on October 12, 2015
95. ## geometry

on a centimeter dot array draw all possible rectangles with a perimeter of 22 cm and sides whose lengths are whole centimeters label the lengths of 2 adjacent sides of each rectangle

asked by mike on October 8, 2014
96. ## Algebra

A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

asked by Seymour on January 28, 2016
97. ## Math ASAP

Bonnie has a rectangular photographic print that is 5 inches wide and 7 inches long. If she multiplies both the length and width by 1.5, how will the perimeter of the print increase?

asked by alex on February 22, 2013
98. ## Geometry

The perimeter of triangle ABC is 29 meters. Line segment AD bisects angle A. Find AB and AC. CD=5cm, DB=4 cm.(triangle angle bisector theorem)

asked by Lily on December 29, 2011
99. ## Math

On a centimeter dot array, draw all possible rectangles with a perimeter of 12 cm and sides whose lengths are whole centimeters. Label the lengths of two adjacent sides of each rectangle.

asked by VauNea on November 26, 2012
100. ## algebra

The perimeter of a collrge athletic field is 104 meters and the length is 18m more than the width.Find the length and width.

asked by John on September 23, 2013