area, perimeter

20,848 results, page 53
1. Geometry

If a rectangle width is increased by 3, the rectangle becomes a square and the area of the rectangle is increased by 54u^2 what is the area of the original rectangle

asked by Jp on September 2, 2015
2. Astronomy

Star 'A' has twice the radius of star 'B'. The ratio of the surface area of star 'A' to the surface area of star 'B' is equal to 8 4pi 2 1/8 4

asked by Jenna on September 26, 2011
3. Calculus

Find the area of the region bounded by the line y=3x and y= x^3 + 2x^2? and find the area of the region bounded by the curve y=e^2x -3e^x + 2 and the x-axis?

asked by Akansha on May 10, 2011
4. geometry

The area of a regular octagon is 35 cm2. What is the area of a regular octagon with sides six times as long? so do you times this by 6?

asked by cindy on January 12, 2012
5. Algebra 1

How do you find an expression that represents the area of a triangle? How do you find an expression that represents the area of a rectangle? I just need examples..

asked by Gabby on February 2, 2014
6. Geometry

A rectangle has area and length. Find the width. Area=27t^2-18t Length= 9t How do I find the width?

asked by Court on September 4, 2013
7. science,

A force of 4400 N is exerted on a piston that has an area of 0.020 m2. What force is exerted on a second piston that has an area of 0.040 m2?

asked by cristopher on July 15, 2015
8. Math

The surface area of a cylinder is about 218 in^2. What is the surface area of a smaller cylinder that is smaller by a scale factor of 1/2?

asked by Hunter on May 8, 2013
9. Math

If the diameter of a circle P is 40 percent of the diameter of circle Q, then the area of circle P is what percentage of the area of circle Q? Not enought information given right?

asked by melanie on July 19, 2017
10. omt101

A wire when bent into the form of a square encloses an area of 12 sq.cm. if the wire is bent in the form of a circle, then what would be the area?

asked by Yogesh on March 28, 2011
11. Algebra

Find a table or other rectangular object and measure the length width and perimeter use feet or inches as your unit of measure express the in terms of the width

asked by MissMoe on February 22, 2012
12. maths-triangles

how can we obtain the areas of the irregular polygans or irregular shapes or just any closed curve...?? if we know the perimeter of that shape than do v need to divide it into any kind of simpler shape like triangle

asked by anoynomous on March 5, 2013
13. calculus

a rectangle is 10 inches by 6 inches whose sides are changing. write a formula for both the perimeter and how fast each is changing in terms of L and W how do i do this, an explanation instead of an answer would be most appreciated, thanks in advance.

asked by eric on January 20, 2014
14. math

you start with an equilateral triangle and then trisect each of the sides with a new equilateral triangle on the middle third of each trisection, repeat the process indefinitely how would you prove that the perimeter is infinite?

asked by alex on February 9, 2009
15. algebra

If the lengths of a pair of opposite sides of a square were tripled and the other pair were each increased by 7 cm,the new figure would be rectangle with a perimeter 96 cm find the dimensions of the original square

asked by uma on April 9, 2016
16. College Algebra

The length of a rectangle is fixed at 18 cm. What widths will make the perimeter greater than 78 cm.? *widths must be greater than __cm. I have been working at this for two hours and even after reviewing my readings I am just as confused as ever.

asked by Tanya on February 16, 2010
17. physical science

I was given a diagram in the shape of an "L"-looks like a block letter L--around the perimeter are the numbers 2, 1, 1, 1, 1, and 2. It says divide this diagram of a piece of land into four lots that are the same size and shape. I have been trying since

asked by dom on September 4, 2009
18. 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 My answer I got was 14 16/15 what do I do

asked by Jerald on November 13, 2012
19. Math

The question is that the length of a rectangle is 15 and its width is w. The perimeter of the rectangle,at most,50. Which inequality can be used to find the longest possible width? A. 30+2wor=50 so I did L=15 p=2(15)+2w

asked by Gail on June 7, 2013
20. Algebra

A rectangle is 4 inches longer than it is wide. It's perimeter is 28 inches. Write a system of two equations in two variables that describes this information. Then solve the system graphically.

asked by Anonymous on October 7, 2012
21. math

triangle a and b are similar the ratio of a side of triangle b to a corresponding sid of triagle a is 5.3 the lengths of the sides of triangle a a are 18ft, 27ft and 30ft find the perimeter of triangle b

asked by michael on March 28, 2011
22. algebra

math question: you want to mat and frame a 5x 7 photograph. The perimeter of the outside of the mat is 60 inches. the mat is twice as wide at the top and the bottom as it is on the sides. Find the dimensions of the mat

asked by carolina on August 24, 2012
23. maths

THE Perimeter of a triangle is 2004. One Side of a triangle = 21 Times the other. the shortest side is integral length. SOLVE For lengths of the sides of the traingle in every possible case.

asked by sonia on December 31, 2012
24. math

A square patio rug has side lengths of 1/3(x+2) inches a. Write a linear expression involving the perimeter of the square, P in terms of x. b. Solve for x in terms of P.

asked by plz help im so confused on March 3, 2017
25. Math gemetry

A group of social workers made a square shaped jogging park in a city whose perimeter is 4 its sides make a table of ordered pairs (x, y) and plot the line graph where x=l and y= b. What value you learn from social worker?

asked by Hh on November 5, 2016
26. geometry

we are a team of students studying for a test - asking again - thanks - An arc ABC is one quarter of a circle with center B and radius 6. Rectangle EDFB is inscribed in ABC. If ED + DF = 8, find the perimeter ADCFE. Round your answer to the nearest

asked by antonne on December 1, 2010

Adult education due to the level -thanks - An arc ABC is one quarter of a circle with center B and radius 6. Rectangle EDFB is inscribed in ABC. If ED + DF = 8, find the perimeter ADCFE. Round your answer to the nearest hundredth.

asked by antonne on December 1, 2010
28. physics

Consider a body falling through the air. The force due to air resistance is given by, F(air)=CAv^2, where C is the coefficient of air friction, A is the area facing the direction of the motion, and V is the velocity of the object with respect to the air.

asked by jim on April 5, 2012
29. math

The perimeter of a rectangle with adjacent side lengths of x and y, where x>y, is 8 times as great as the shorter side of the rectangle. What is the ratio of y to x? A. 1:2 B. 1:3 C. 1:4 D. 2:3 E. 3:4

asked by Juliet on August 14, 2014
30. algebra 1

The perimeter of a rectangular deck is 175 feet. The length of the deck l is 6 feet longer than 2 tines the width

asked by angeles on March 8, 2012
31. algebra

Two sides of a triangle have equal length. The third side is seven inches shorter. How long are the three sides if the perimeter is 23 inches?

asked by Anonymous on March 29, 2011
32. math

How many different triangles can you make with a perimeter of 12 units And also use integer values for the length of the sides to investigate how to make up your triangles

asked by JBeeee on March 8, 2015
33. Maths

2equal sides of triangle r4m less than 3times the third side find the sides of triangle if perimeter is55cm

asked by Anonymously on December 29, 2012
34. maths

the sides of a triangle are in the ratio 2 ratio 3ratio 4. if the shortest side measures 6cm,what is the perimeter of the triangle?

asked by Krtin on September 24, 2010
35. : An alien planet uses the narl as a unit of lengt

An alien planet uses the narl as a unit of length. If a square has a side length of 3.4 narls, what is the perimeter of the square?

asked by amna on March 3, 2017
36. Algebra 1 (Reiny)

The measures of the sides of a triangle are shown as polynomials. The measures are: 2s^3 + 4; 5s; 4s^2 + 1. Write a polynomial to represent the perimeter of the triangle.

asked by Anonymous on February 21, 2014

I think I got forgotten... What is the perimeter of triangle PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane? (1 point) 21 units 25 units - ?? 34 units 36 units

asked by Sandra on September 19, 2014

The perimeter of a rectangle is 150 ins. The length is 3 ins. longer than 5 times the width. Find the length. A)63 B)12 C)36 D)38

asked by Kenya on May 12, 2008
39. math

THe perimeter of a rectangle is 166 inches. The length exceeds the width by 23 inches. Find the lenght and the width

asked by Tiff on July 30, 2010
40. math

The distance between goalpost, BC, is three times the distance from the top of the goalpost to the bottom. If the perimeter of ABCD is 21 1/3 yards, what is the length of BC

asked by alex on November 5, 2010
41. algebra

The length of a rectangular field is 50 meters more than twice its width. If the perimeter is 700 meters, find the dimensions of the field.

asked by Alice on December 3, 2010
42. Algebra II

The perimeter of a rectangular yard is 270 feet. If its length is 25 feet greater than its width, what are the dimensions of the yard?

asked by bev on May 3, 2010
43. Algebra

A rectangular field has a total perimeter of 128 feet. The width is 24 feet less than the length. What are the dimensions of the field?

asked by Rodo on October 2, 2015
44. trigonometry

if the vertex of an isosceles triangle is 80 degrees and the side opposite the vertex measures 12 cm, determine the perimeter of the triangle

asked by jack on June 17, 2017
45. Math

The perimeter of a rectangle is 21 inches. What is the measure of its width if its length is 3 inches greater than its width?..... Please help me solve this question...

asked by Vali on April 14, 2016
46. Math

Draw all the possible rectangles with a perimeter of 26 cm and whole number lengths of sides. For each rectangle, label the lengths of two adjacent sides

asked by Molly on September 29, 2013
47. Math

The perimeter of a rectangle is 220 inches. The length exceeds the width by 78 inches. Find the lenght and the width.

asked by Anonymous on November 20, 2009
48. math

the length of a rectangle is 100 inches more than the width. if the perimeter of the rectangle is 1320 inches, find the dimensions

asked by lori on January 22, 2013
49. Math

A square is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 15 inches,what is the are of the original square?HELP...please?

asked by Sheila on September 16, 2010
50. algebra II-URGENT

the perimeter of a rectangular yard is 270 feet. If its length is 25 feet greater than its width what are the dimensions of the yard

asked by bev on May 3, 2010
51. Geometry

The sides of a triangle have lengths of 9, 11, and 16 units. What is the perimeter of a similar triangle with its longest side 24 units in length?

asked by Danielle on January 8, 2015
52. algebra

the lenght of a rectangular is 50 feet more than the width,it the perimeter of the basketball court is 300 feet,what is the lenght of the field

asked by Frank on January 17, 2015
53. Math

the perimeter of an isosceles triangle is 73 cm. the base measures 3 cm more than one half the measure of a leg. what is the measure of each side of the triangle

asked by Kj on January 18, 2018
54. Calculus

A rectangular box has a square base. If the sum of the height and the perimeter of the square base is 14 in, what is the maximum possible volume?

asked by Nathaly on March 24, 2017
55. algebra

The length of a rectangular field is 7 meters more than twice its width. If the perimeter is 140 meters, find the dimensions of the field.

asked by Sheila on June 8, 2010
56. math

the perimeter of a isosceles triangle is 28cm with side 4y=6y-2x+1 and base x+2y in cm, find x and y and state the length of the side of the triangle.

asked by precious on January 6, 2017
57. Calculus and vectors @ Bob Purs

Rectangle side is represented by (2,3) and (-6,4). Find the perimeter of rectangle. Is this correct? (-6-2), 4-3) sqrt(8^2+1^2) sqrt(65) =8.062257748(2) =16.124?

asked by Jake on March 23, 2012
58. Algebra

Can someone help me with this equation? The length of a rectangle is (2x+3) and the width is (x-6). Write the equation and solve to find the value of x if the perimeter of the rectangle is 90 centimeters.

asked by Joseph on September 9, 2016
59. Math

The side lengths of a right triangle are each an integral number of units. If one of the legs is 13 units, what is the perimeter of the triangle? Thanks ~Zach

asked by Zach on May 20, 2010
60. math

HELP ! I just don't get this. The perimeter of a rectangle is 40 m. The length is 5m more than twice the width. Find the dimensions. What is the length? What is the width? I need to simplify my answer... PLEASE HELP ME>

asked by JOHNNY on May 21, 2010
61. Math

A triangle has sides 3x + 7, 4x – 9, and 5x + 6. Find the equation that represents its perimeter I believe you put each equation which represents a side in parenthesis: (3x + 7) + (4x – 9) + (5x + 6)

asked by Aimee on February 22, 2007
62. mathe

The longer sides of an rectangle are 3 times as long as the shorter sides. If the perimeter is 100 ft, what are the dimensions of the rectangle

asked by dom on December 9, 2016
63. Algebra

the length of a rectangle is 9 centimeters more than half the width . Find the length if the perimeter is 60cm. I know the answer is 16 cm, but I got a different answer. please help

asked by Michelleee on August 22, 2008
64. algebera

the lengthnof a rectangular jewelry box is 3 inches more than twice the width. the perimeter is 30 inches. find the length and the width?

asked by shelia on February 10, 2011
65. linear equations

length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle

asked by abhilash on November 29, 2016
66. math

If side of triangle are in the ratio 3:4:5 and its perimeter is 24 cm, find measure of each side of triangle. How to solve this Questions please show.

asked by Kamla Devi Public School on December 12, 2016
67. math

the sides of a polygon are 3,4,5,6 and 7cm. Find the perimeter of a similar polygon, if the sides corresponding to 5cm is 9cm long.

asked by roldan on August 6, 2016
68. math

Please Help! The perimeter (distance around) of a triangle is 7/x+1, The sum of two sides of the triangle is 3/x, the distance of the remaining side follows he format ax+b/x^2+x. what is the vale of a?

asked by sam on October 3, 2013
69. math

a pentagon has a perimeter of 50 cm. the shortest side has a length of 3 cm. find the length of a similar pentagon if the perimter of the second penatgon is 80 cm ?

asked by dustin on September 26, 2013
70. Math

The distance between goalpost, BC, is three times the distance from the top of the goalpost to the bottom. If the perimeter of ABCD is 21 1/3 yards, what is the length of BC

asked by Mia on January 8, 2016
71. math

A triangle whose sides are 5,12, and 13 inches is similar to a traingle whose longest side is 39 inches. What is the perimeter of the larger triangle?

asked by erika on February 23, 2011
72. math

length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle

asked by abhilash on November 29, 2016
73. Math

Rectangle side is represented by (2,3) and (-6,4). Find the perimeter of rectangle. Do I have to find the magnitude of (2,3) and (-6,4) and square root the answer?

asked by Jake on March 22, 2012

How do you find the perimeter of a letter? for ex. the letter U

asked by Jessica on March 9, 2010
75. Algebra?

The length of the square above is 2x/3+1. What is the perimeter of the square?

asked by Jayson on July 11, 2015
76. Math

what is the perimeter of a rectangle if L=3x+5 meters W=4x-3 meters?

asked by Rebecca on April 19, 2015
77. Physics

1) use dimensional analysis to determine which of the following expressions gives the area of a circle: is it pie r ^2, or 2 pie r? explain - pie r^2 right?? because its what they normally use to find area of a circle 2) If a distance d has units of meters

asked by anonymous on September 23, 2015
78. math,help

can someone please just set the equation for me to solve this problem . thanks A solar collector is 2.5m long by 2.0m wide. It is held in place by a frame of uniform width around its outside edge. If the exposed collector area is 2.5m^2, what is the width

asked by Jasmine20 on January 28, 2007
79. Physics

1) use dimensional analysis to determine which of the following expressions gives the area of a circle: is it pie r ^2, or 2 pie r? explain - pie r^2 right?? because its what they normally use to find area of a circle 2) If a distance d has units of meters

asked by anonymous on September 24, 2015
80. math

1. Mrs. Macdonald wants to put a uniform border of tulips around the outside of her vegetable garden. Her vegetable garden is 20m by 28m. This border will look best if the area of the tulips border equal to the area of the garden. How wide should the tulip

asked by malak on July 18, 2014
81. Calculus

Let M be the region under the graph of f(x) = 3/e^x from x=0 to x=5. A. Find the area of M. B. Find the value of c so that the line x=c divides the region M into two pieces with equal area. C. M is the base of a solid whose cross sections are semicircles

asked by Anonymous on April 23, 2016
82. math

Mrs Harvey Wants To Put a 50 m Long Fence around Her Rectangular Garden. She Only Needs To Fence In 3 Sides Because The Other Side Is Alongside Her House. y=length x=width (a) Write an Expression For y In Terms of x (b) Write an Expression For The Area ( A

asked by Josh on March 8, 2014
83. Physics

A 104 N car is lifted by a manually operated hydraulic lift. The area of the shaft of the lift is 80 cm2; the area of the piston that forces liquid into the system is 2 cm2. What minimum force must be exerted on this piston to lift the car? a. 104 N b. 125

asked by James Arnold on January 18, 2013
84. physics

German silver wire has a cross-sectional area of 2.047 x 10^-3 cm^2. How many meters are needed to make a resistance of 100 (omega)? I can't find the resistivity of German silver wire. I've googled a few places, but each one gives me a different number.

asked by Sejul on April 29, 2011
85. math

The formula for the surface area of a cylinder is A=2πr^2+2πrh. (A)Solve for r and simplify the result, if possible. (B) If the surface area of a cylinder is 100 square feet and the height is 40 inches, what is the radius of the cylinder in units of

asked by Andrea on April 24, 2018
86. Physics

Water is flowing in a pipe with a varying cross-section area, and at all points the water completely fills the pipe. At point 1 the cross-section area of the pipe is 0.080 m^2, and the magnitude of the fluid velocity is 2.50m/s. Calculate the volume of the

asked by Lycra on May 10, 2012
87. Maths

An item of jewellery consists of two identical pyramids, PABCD and QABCD, joined at their common rectangular base. AB = 8mm, BC = 12mm and PQ = 30mm. The line pq passes through the centre of the rectangle ABCD. Calculate the area of triangle ABP Calculate

asked by Joe on March 21, 2017
88. Math

The area of Square A is 36 square cm.The area of Square B is 16 square cm.What is the ratio of the area of Square B to the area of Square A.?

asked by Susy on December 9, 2015
89. geometry

In triangle ABC, DE is parallel to AB. If DE is one-fifth AB, what is the ratio of the area of triangle DEC to the area of triangle ABC?

asked by Danyoline on December 30, 2010
90. Physics

An eight turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm. The coil lies in the plane of the screen and has a 6.10 A current flowing clockwise around it. If the coil is in a uniform magnetic field of 2.07

asked by Stefan on March 10, 2011
91. Physics

An eight turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm. The coil lies in the plane of the screen and has a 6.10 A current flowing clockwise around it. If the coil is in a uniform magnetic field of 2.07

asked by Stefan on March 10, 2011
92. biology

In an investigation to find the number of african potato plants in a field of area 6 000m^2 three plots were selected.each with an area of 10^2.Pot 1 contained three and the other plots contained seven and two african potato plans,respectively. 1.name two

asked by nicole on October 16, 2015
93. geometry

I have a few questions about finding the area. I don't know how to link images on here, so I will just try my best to describe the shapes. First question: What is the area of the figure below? It is a parallelogram connected to a triangle. The spotted line

asked by Gina on May 5, 2016
94. maths

Triangle ABC has area [ABC]=468. D,E and F are the midpoints of BC,CA and AB, respectively. Points P,Q and R are defined such that P is the incenter of AEF, Q is the incenter of BFD, and R is the incenter of CDE. What is [DREPFQ]? Details and assumptions

asked by hemant on May 22, 2013
95. Math 115

Country Upper B has a population of approximately 276.5 million people and a total land area of about 3150.4 thousand square miles. What is the population density of Country Upper B? Round your answer to the nearest person. I know you need to divide

asked by Brita on October 3, 2016
96. Algebra

How to find dimensions of a field when given length of fencing and area? Hi I really appreciate your help on this. The question states that I have a field of area 650 square metres and fencing of 110 metres. I must give 3 possible sets of dimensions of the

97. math

1) A rancher wants to enclose two rectangular areas near a river, one for sheep and one for cattle. There is 240m of fencing available. Express the area of the enclosures as a function of its dimension. 2) A container company is designing on open-top,

asked by Daniel on April 5, 2013
98. maths p5

3.A rectangle is divided into 4 parts, A B, C and D. The areas of A: B: C are in the ratio 10:18:5. C is a square with an area of 25cm2. What is the area of rectangle D? 4. Mr Lee is 38y old. His daughter is 32y younger. a) In how many years time will Mr

asked by joi on December 27, 2011