# area, perimeter

20,961 results, page 33
1. ## math117

The area of a rectangle of length x is given by 3x2 +5x. Find the width of the rectangle. The area of a rectangle with width t is given by 33t - t 2. Factor the expression and determine the length of the rectangle in terms of t length times width=area, so

asked by student on July 2, 2007
2. ## math

After a drought, the Great Salt Lake in Utah covered an area of 2450 kilometers squared or 35/64 the area of the lake under normal weather conditions. Find the area of Great Salt Lake under normal weather conditions.

asked by Steven on February 3, 2017
3. ## Re: Physics/Math

Calculate the ratio of the drag force on a passenger jet flying with a speed of 750 km/h at an altitude of 10 km to the drag force on a prop-driven transport flying at one-fifth the speed and half the altitude of the jet. At 10 km the density of air is

asked by COFFEE on February 10, 2007
4. ## math

If the area of the parallelogram ABCD is 4 square feet and 2OPOPŒ=, what is the area of the parallelogram?

asked by Anonymous on August 20, 2010
5. ## Math

if a circle has half of one quarter of its overall area shaded, what would the percent of the shaded area be

asked by Evelyn on June 10, 2013
6. ## Geometry

What is the surface area and lateral surface area for a cylinder with 12 as its diameter and 18 as its height

asked by Freed on April 11, 2018
7. ## Geometry

I really need help with this. Explain how the formula for the area of a triangle can be determined by using the formula for the area of a parallelogram.

asked by amanda on October 5, 2009
8. ## Math

I am a little confused, can someone please help me? I the radius of a circle is 5m, what is the area of the circle? Is this the same as the surface area and it would be 10m?

asked by mark on January 21, 2011
9. ## 9th grade

a cube has a side that is (5x-3)centimeters long.a.what is its surface area?b.if x=3,what is its surface area

asked by leona on January 27, 2010
10. ## math

Given: ΔKLM, KL = LM = 13in, KM = 10in. Find: The area of ΔKLM I got for the area 12√34 but its wrong :(

asked by allie on February 25, 2017
11. ## math

If the area of the parallelogram ABCD is 4 square feet and OP"=5OP, what is the area of the parallelogram A"B"C"D"?

asked by Anonymous on August 20, 2010
12. ## College Intermediate Algebra

The base of a triangle is terms of x is 2x+4x+2 and the height is x2+3x-4. What is the area of the triangle. I need to know am if I'm on the right track Area=1/2(2x+4x+2) (x2+3x-4)

asked by Babydoll07 on November 1, 2014
13. ## geometry

find the area of the shaded area of the circle. half circle radius

asked by crystal on January 8, 2011
14. ## math

If the area of the parallelogram ABCD is 4 square feet and OP"=5OP, what is the area of the parallelogram A"B"C"D"?

asked by Anonymous on August 21, 2010
15. ## maths

QR is parallel to ST and PQ:QR = 2:1. Given the area of triangle PST is 18cm2, the area of triangle PQR in sq cm is?

asked by Stefan on July 8, 2014
16. ## algebra

write an expression for the area of sidewalk using subtraction, overall area is 10 ft by 12 ft. sidewalk is 4ft by 12 ft.

asked by mikaila on September 16, 2010
17. ## Math - fractions

I have to find the area of a rectangle in fraction measurements. Area = L*W = 9/16 yds. * 14/15 yds.

asked by Alex L. on October 8, 2011
18. ## Math

How much greater is the surface area of the rectangular prism than the surface area of the cube.

asked by Latoya on April 7, 2016
19. ## maths

A wire from a square of area 324 cm2. If A wire from a semicircle then area becomes ------

asked by sanjay on March 7, 2017
20. ## math

the area of a circle is400 times the area of another circle. what is the ratio of their circumferences

asked by abhilasha on November 1, 2016
21. ## Biology

What is the location and function: - the speech area of the brain - the comprehension area of the brain

asked by Alex on October 28, 2007
22. ## Mathematics

Mary wants to build a fence around a rectangular area for a garden. She has 150 ft of fencing and she wants to leave 10 ft opening on side for a gate. In order to make a area of the garden. A maximum what should the dimensions of the garden will be?

asked by Leian on January 20, 2016
23. ## Algebra 1

You are designing a wall mural that will be composed of squares of different sizes. One of the requirements of your design is that the side length of each square is itself a perfect square. 1. If you represent the side length of a square as x^2, write an

asked by Jynessa on December 4, 2013
24. ## calculus

The graph of f'(x) is shown for 0=< x =

asked by Mike on May 2, 2011
25. ## Math

I am supposed to find the area of the shaded section of a circle. The circle is cut with two radi with an angle of 60 degrees. Then where the radi touch the circle another line is drawn to connect them. The triangle and the small section between the

asked by Punkie on December 16, 2009
26. ## chemistry

The total surface area of earth is about 1.97*10^8 square miles. the surface area of land on earth is about 5.73*10^7 square miles. find the ratio of the surface area of land to the entire planet.?

asked by ashley on September 14, 2009
27. ## math/science

The total surface area of Earth is about 1.97 × 10^8 square miles. The surface area of land on Earth is about 5.73 × 10^7 square miles. Find the ratio of surface area of land to that of the entire planet.

asked by . on September 13, 2015

Hi.-It's Margie and I have a Math Lab to do but I don't get this.If you can, please help.: Use the Pythagorean Theorem to find the diagonal of the new room. length=22 width=25 area=350 Is the area supposed to be 550 instead of 350? Area of a rectangle is

asked by [C]razy Baby.-[iloveyou] (Margie) on February 9, 2007
29. ## Math

A mechanical engineering student wishes to inscribe a rectangle in a quarter circle of radius 2.00 cm. Determine the dimensions of the rectangle that will give it the greatest area. length in cm = height in cm = My attempt on find the relationship between

asked by Ashley on January 29, 2013
30. ## GEOMETRY URGENT PLEASE

(imageshack)(.)us(/)photo (/) my-images (/)42(/)2vja. jpg(/) Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle

asked by BARBIE LEE on November 9, 2013
31. ## Maths

construct an equilateral triangle of perimeter is 19.5cm. Measure and Verify that each angles measures 60 degree

asked by angela on August 13, 2015
32. ## Math

The perimeter of a rectangle is 122 feet and the length is 10 times longer than twice the width. Find the dimension.

asked by Marge on September 18, 2014
33. ## math

a. running track has a perimeter of 800*1/4meters if a runner takes five round of it how much distance did he cover?

asked by ankit on November 2, 2016
34. ## trig

an isosceles triangle has a perimeter of 60in. the congruent sides measure (2x+9)cm. the length of the third side is 3xcm. what is the value of X?

asked by Joey on November 14, 2011
35. ## math

Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx

asked by Zama on February 25, 2012
36. ## math

An equailateral triange has a side of 7cm.What is the total distance in centimetres twice round the perimeter of the shape?

asked by Kina on November 13, 2013
37. ## math

Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx

asked by Zama on February 25, 2012
38. ## math

The sides of a rectangle are consecutive odd integers. If the perimeter is 192 inches, what is the length of each side?

asked by Anonymous on October 18, 2016
39. ## ALGEBRA

The perimeter of a rectangle is 18 ft.The length is 1 ft longer than the width. Find the deminsions using a system of linear equations.

asked by XOCHIL on March 30, 2012
40. ## Geometry

The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet. What are the 3 lengths?

asked by Ivan on January 16, 2011
41. ## geometry

I don't get this and I need help please. Find the circumference of a circle circumscribed about a square with perimeter 48 ft. ______________ft. (Round to the nearest 0.1 ft.)

asked by Anonymous on March 19, 2012
42. ## math

Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx

asked by Zama on February 25, 2012
43. ## math

hi ms.sue could you please check my answer in problem The perimeter of a square is 64ft. Find the length of a diagonal. c=22.62

asked by lisa on April 28, 2012
44. ## Algebra

your are building a soccer field. the length has to be 30 m longer than the width, and the total perimeter must be between 320i m and 360 m.

asked by Miguel math on February 18, 2016
45. ## math

Thethe permiter of an equilateral triangle is given as 50 next + 30 right to different expressions to represent the perimeter use factoring to write one of the Express

asked by omariom on December 1, 2015
46. ## Algebra

How do I find the perimeter of a triangle DMG which has coordinates D(3,-2), M(3,4) and g(1,-2) - my son can't do the problem and I don't remember how to do it anymore

asked by Dad on April 24, 2011
47. ## Algebra II

The sides of a triangle are in the ratio 5:12:13. Describe the length of the shortest side if the perimeter is not more than 120 inches.

asked by Samantha on June 21, 2015
48. ## math

I want to put a 3ft wide walk around a 10ft by 15 ft pool. What is the perimeter around the figure including the path?

asked by tim on February 27, 2012
49. ## Calculus

Find the length of the entire perimeter of the region inside r=15sin(theta) but outside r=1. I am not sure how to start the problem

asked by Susan on December 12, 2014
50. ## algebra

can someone please help me. The perimeter of a rectangle is 80m. The length is 7m more than twice and width. Find the dimensions. I would appreciate help with the steps so I can practice it for the my next problem. Thanks.

asked by hawkins on January 2, 2011
51. ## Trigonometry

find the perimeter of an isosceles triangle whose base is 20cm and the vertex angle is 120 degrees.

asked by Louise on August 9, 2014
52. ## math

What can be concluded about a rectangle's width if the ratio of length to perimeter is 1 to 3? Make some sketches and explain your reasoning.

asked by Dborah on June 30, 2010
53. ## Math

Find the perimeter of the polygon with vertices of A(0, 0), B(4, 0) and C(2, 3). Round to the nearest tenth. Just enter one number as your answer. Help!

asked by Amber on September 6, 2017
54. ## math

sketch and label all possible rectangles with a perimeter of 30 cm and sides whose lengths are whole numbers help me tell my son what to do I don't understand

asked by Deborah on October 14, 2014
55. ## Algebra

Calculate, in yards and feet, the perimeter of the playing field. Width=160 Length=360

asked by Bobby on September 24, 2007
56. ## Math

Helping grandson with math. I would like to know how to do it before he does. "How many different rectangles can be made with a perimeter of 20 units? (Remember, a square is also a rectangle.)"

asked by KC on May 25, 2014
57. ## geometry

the scale factor of 2 similar polygons is 2:3. The perimeter of the larger one is 150 centimeters, what is the parameter of the smaller one

asked by Jennifer on April 15, 2010
58. ## Math

Construct an equilateral triangle of perimeter 19.5 centimeter.Measure and verify that each angle measures 60 digrees

asked by Dev on November 14, 2016
59. ## Geometry

Find the perimeter of the polygon with vertices of A(0, 0), B(4, 0) and C(2, 3). Round to the nearest tenth. Just enter one number as your answer Can you please help me

asked by help please on September 23, 2017
60. ## Geometry

How many distinct isosceles triangles exist with a perimeter of 99 inches and side lengths that are positive while numbers?

asked by Kristen on February 16, 2014
61. ## Geometry again

This is exactly what the problem says: Two sides of an isosceles triangle with perimeter 112 cm are in the ratio 3:2. Find ALL possible lengths for the base.

asked by Jordan on September 12, 2016
62. ## geometry

in a regular polygon, with center O, and a side AB, measure of angle AOB =72 degrees. If AB is 4.6 in. find the perimeter

asked by mark on April 10, 2011
63. ## Maths

A rhombus sheet,whose perimeter is 32 m and whose one diagonal is 10 m long , is painted on both the sides of Rs.5 per m^2.Find the cost of the painting

asked by Faswana on June 28, 2014
64. ## Physics Help

Charge Q is uniformly distributed around the perimeter of a semicircle of radius R. What is the electric field at the circle's center?

asked by Lindsey on February 11, 2013
65. ## math

the formula for the perimeter of a rectangle is 2l+2w, where l is the length and w is the width. How can you use distributive property to write an equivalent expression for 2l+2w?

asked by haily on February 23, 2017
66. ## MATHS

CALCULATE A PERIMETER OF A SECTOR OF A CIRCLE OF RADIUS 7CM WHICH SUBTENDS ANGLE 6ODEGREE AT A CENTRE.

asked by AKWACHA SIMON on June 14, 2017
67. ## math

I am a third grader and have a homework of sketching and labeling all possible rectangles with perimeter of 30 cm and sides whose lengths are whole numbers. I am confuse, i need help please.

asked by jennie on January 25, 2011
68. ## Math

perimeter of a rectangular shap is 960 ft. The shortest side is 150ft. What is the length of the longest sides?

asked by TErri on February 27, 2014
69. ## Algebra

I am havine trouble with this problem will someone please help me The perimeter of a rectangle is 68m The length is 10 m more than twice the width. Find the dimensions

asked by Princess on June 10, 2010
70. ## geometry

what is the perimeter of a pool 7ft wide 10ft long 4ft high? Is it 34ft squared?

asked by Nic on February 26, 2013
71. ## maths

considera a rectangle with a perimeter of 24 units draw 6 rectangles of different dimension (usng natural numbers from 1 to 11)

asked by nomagugu on May 7, 2016
72. ## Maths

Calculate the perimeter of the sector of a circle in centimeters. Use pie = 22/7, radius =14cm and angle =45 degrees.

asked by Rolz on April 23, 2016
73. ## math

how do i define variable and write equation for... The perimeter of a square equals 4 time the length of a side?

asked by fred on July 31, 2009
74. ## geometry

: the perimeter of triangle abc is 26m bc is two -thirds as long as ab and it is also 2m longer than ac .find the lengths of the three sides

asked by bothina on June 10, 2012
75. ## Maths

The length of the rectangular field is 6m longer than 3m times its bredth.what are the measurements of the rectangle if the perimeter is 188m?

asked by Koos on November 4, 2015
76. ## Algebra

the length of a rectangular piece of land is 40 cm more than two times its width. the perimeter is 680 cm. Find its dimensions

asked by Jenny on February 26, 2013
77. ## Geometry

The question is as follows: Two sides of an isosceles triangle with perimeter 112 cm are in the ratio 3:2. Find ALL possible lengths for the base. Please help. Thanks!

asked by Jordan on September 12, 2016
78. ## Algrebra-Systems of Equations

The perimeter of a rectangle is 110cm. The length is 1cm more than twice the width. Write 2 equations that would be used to solve the system.

asked by Resha on January 19, 2012
79. ## 8th grade math

The dimensions of a rectangular prism are all whole numbers greater than 1". If the volume is 165 cu", and the height is 5", what is the perimeter of the base?

asked by Piggy on April 10, 2012
80. ## math Ms. Sue

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? 39 m2 169 m2 117 m2 142 m2 I think it is A...?

asked by Deborah on November 8, 2012
81. ## algebra

If the length and width of a rectangle are each multiplied by 3, how would the new area of the rectangle compare with the original area of the same rectangle? would it be 9 times greater?

asked by Mary on May 15, 2011
82. ## Math

The ratio of the perimeters of two similar squares is 5 to 4. If the area of the smaller square is 32 square units, what is the area of the larger square?

asked by Keyonna on May 6, 2011
83. ## Math

A right triangle has an area of 13 m^2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? A. 39 m^2 B. 169 m^2 C. 117 m^2*** D. 142 m^2 Am I right? Thank you Again

asked by Anonymous on November 23, 2018
84. ## Pre-Algebra

A right triangle has an area of 21 m2. The dimensions of the triangle are increased by a scale factor of 4. What is the area of the new triangle? A. 42 m2 B. 84 m2 C. 168 m2 D. 336 m2 How would I solve this?

asked by BruteForce on October 24, 2017

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? Please help!!!! a)39 m2 b)169 m2 c)117 m2 d)142 m2

asked by April :) on November 28, 2012
86. ## Pre-algebra

I am doing corrections and I have no idea how to do this problem. A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle?

asked by Kathleen 2018 on November 14, 2018
87. ## Math

The ratio of z sides of two similar polygon is 3:2 the area of the smaller polygon is 24cm square what is the area of larger polygon

asked by Hermella on December 16, 2015
88. ## math

A farmer has 110 metres of fencing to fence off a rectangular area. Part of one side is a wall of length 15m. Find the dimensions of the ﬁeld that give the maximum area. Answers: length and width = 31,25m Thank you so much for a huge help.

asked by Lucas on October 22, 2013
89. ## Functions

A farmer wants to enclose a rectangular field with 180m of fencing. The side of the barn will act as one side of the enclosure, leaving 3 sides to be covered. The function that describes the area inside is f(x)=x(180-2x) what are the dimensions of the

asked by Mathlete on June 17, 2014
90. ## 6th Math

Don decided to do some landscaping in his backyard. He began by watering the lawn. The rotating sprinkler that he installed can spray an area with a radius of 7 feet. What is the maximum area the sprinkler can cover? a. 21.98 ft(2) b. 28.26 ft(2) c. 43.96

asked by Ty on March 1, 2012
91. ## Science plz help

Describe how community residents and authorities can prepare for an earthquake and its aftermath. Review earthquake advice from the USGS, the American Red Cross, and other agencies. If you live in an area that is susceptible to earthquakes, include

asked by Aria on November 30, 2015
92. ## algebra

mang pedring wanted to construct a square table such that the length of its side is 30 cm longer than its height. 1. How does the illustration look like? illustrate. 2. How would you represent the height of the table? How about the length of its side? 3.

asked by Sella on July 11, 2012
93. ## math

ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE AREA OF THE TRIANGLE IS 85CM SQUARE FIND THE VALUE OF X. Say that the height= 3x+2 base= 2 Area of a triangle equals 1/2 base times height so... (1/2) of the base is 1 and 1 times

asked by c on July 4, 2007
94. ## Physics

Three infinite uniformly charged thin sheets are shown in the figure below. The sheet on the left at x=-d is charged with charge per unit area of -3σ , The sheet in the middle at x=0 is charged with charge per unit area of +σ , and the sheet on the right

asked by P on March 5, 2013
95. ## ALGEBRA 1 HELP

Your hole punch makes holes in your that have diameter of 4^-1 inch. a.Write an expression for the area of one punched hole. Use the formula for the area of a circle A=:r^2. (: is pi sign) b.Your hole punch makes three holes in a page . Write an expression

asked by Louis on December 5, 2013
96. ## Technology

Please do an e.g for me by Calculate the force required to move a small piston that has an area of 2m,if the force of a large piston is 20N with an area of 4m? Using this formula:force of small piston over area of small piston =force of large piston over

asked by Clendar on July 24, 2014
97. ## math

if A (2, -1) and B (4,7) are endpoints of a diameter of a circle, what is the area of the circle? a)16pi b) 17pi c) 18pi d)144pi e)1156pi Plot the two points and join 'em with a line. Now plot another point C (4, -1). And then simply run a line from B down

asked by Christine on June 24, 2005
98. ## Calculus

Let f and g be the functions given by f(x)=1+sin(2x) and g(x)=e^(x/2). Let R be the shaded region in the first quadrant enclosed by the graphs of f and g. A. Find the the area of R. B. Find the value of z so that x=z cuts the solid R into two parts with

asked by Anonymous on April 19, 2015
99. ## MATH0098

The length of a rectangle is 3ft more than twice its width, and the area of the rectangle is 54ft^2 . Find the dimensions of the rectangle. The other problem worked but how do you SOLVE it. I need to be able to do similar problems. I know the factors

asked by Anonymous on February 27, 2013
100. ## math

A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. Five hundred and forty feet of fencing is used. Find the dimensions of the playground that maximize the total enclosed area. What is

asked by rachel on December 10, 2017