# area, perimeter

20,848 results, page 38
1. ## maths

calculate the surface area of the following prism cuboid; 2cm 6cm 4cm what is the surface area of the cuboid

asked by molly on May 21, 2011
2. ## maths

calculate the surface area of the following prism cuboid; scm 6cm 4cm what is the surface area of the cuboid

asked by molly on May 21, 2011
3. ## math - see if correct

If the area is x^2+5x+6m^2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2)since the height is x+3 then we know the base is x+2. (is this correct)

asked by mason on February 23, 2009
4. ## Vectors/Calculus

The question asks me to find the area of the triangle with the given vertices. (The area A of the triangle having u and v as adjacent sides is given by A=1/2 ||u x v||.) the vertices are: (0,0,0) (1,2,3) (-3,0,0)

asked by Krista on April 7, 2013
5. ## geometry

the pentagons are similar. the area of the smaller pentagon is 30m squared. what is the area of the larger pentagon in m squared?

asked by t on March 29, 2012
6. ## Calculus

Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis). Find a formula for F(a).

asked by Catherine on September 10, 2011
7. ## Math

The area of a parallelogram with a side of 5.6 in is equal to the area of a rectangle with sides 7 in and 8 in. Find the altitude to the given side in the parallelogram.

asked by Sara on February 23, 2017
8. ## math

a square lawn 4m wide path surrounding it.if the area of the path is236m find the area of the lawn

asked by abhilasha on November 1, 2016
9. ## math

8 m _____________ |\ | 4 m | \ Garden| | \ | | floor \ | -------------- 8m I need help finding the area of the garden and the area of the floor. so please give me in full explanation.

asked by Abby on November 9, 2009
10. ## Calculus

Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis). Find the formula for F(a).

asked by Catherine on September 14, 2011
11. ## Math

How many times larger is the area of a square (Length of Sides = A) than the area of an equilateral triangle (Length of Sides = 0.5A)?

asked by Emma on February 21, 2015
12. ## math

A sphere is inscribed in a cylinder. The surface area of the sphere and the lateral area of the cylinder are equal. true?

asked by danny on March 29, 2011
13. ## math

8 m _____________ |\ | 4 m | \ Garden| | \ | | floor \ | -------------- 8m I need help finding the area of the garden and the area of the floor. so please give me in full explanation.

asked by Abby on November 9, 2009
14. ## Calculus

Please help? Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis). Find the formula for F(a).

asked by Claudia on September 15, 2011
15. ## Math

The surface area of a prism is 54 square inches. What is the surface area of a similar prism that is smaller by a scale of 1/3?

asked by Karley on April 5, 2014
16. ## Math

Find the shaded area in the following figure if the rectangle inscribed in the circle has dimensions 3 ft x 4 ft. I know I find the area of the rectangle A=l*w, but what do I do next?

asked by Punkie on December 17, 2009
17. ## Math Calculus

Three sides of a fence and an existing wall form a rectangular enclosure. The total length of a fence used for the three sides is 240 ft. Let x be the length of two sides perpendicular to the wall as shown. Write an equation of area A of the enclosure as a

asked by Livia on August 19, 2010
18. ## math

If the lengths of the sides of a rectangle are integers, and if one side is 2 more than another, then the perimeter could equal A. 1998 B. 1999 C. 2000 D. 2002 I started this, but I'm not sure what they're asking and I don't know how to solve it.

asked by Ryan on July 21, 2015
19. ## drawing

suppose you copy a drawing of a polygon with given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original

asked by Anonymous on December 2, 2010
20. ## math

Three points are chosen uniformly at random from the perimeter of circle. The probability that the triangle formed by these is acute can be expressed as ab where a and b are coprime positive integers. What is the value of a+b?

asked by anonymous on June 3, 2013
21. ## geometry

Three points are chosen uniformly at random from the perimeter of circle. The probability that the triangle formed by these is acute can be expressed as a/b where a and b are co prime positive integers. What is the value of a+b?

asked by gorav on March 20, 2014
22. ## math

Im just not sure of this I keep getting confused? (1) Round the following number to the indicated place. 5,911 the nearest thousand. (A)6,000 (B) 5,910 (C) 6,010 (D) 5,900 (2) How do I find the perimeter of a figure

asked by PJ on September 25, 2008
23. ## math

in triangle ABC ,D and E are the midpoint of line AB andAC resp.angle A=angleB=angleC=angleD=60° DE=5cm find the perimeter of triangleABC.

asked by anupama on March 18, 2013
24. ## Calculus

Find the area cut off by x=4 from the hyperbola x^2/9-y^2/4=1. Answer is 4.982 in the book. I have proceeded as under: Y=2/3*sqrt(x^2-9) and rhe reqd. area is double of integral 2/3*sqrt(x^2-9) from 3 to 4. Int= 2/3*[xsqrt(x^2-9)/2 –

asked by MS on March 28, 2014
25. ## Old -Linear programming - up where it may be found

Posted by Anonymous on Wednesday, November 26, 2008 at 8:49pm. P=-30x+25y Subject to 2x+3y>=30 2x+y=30 when x = 0, y = 10 when x = 15, y = 0 area above that line is in our region (are you sure your arrow is correct?) second constraint #2 2x+y

asked by Damon on November 27, 2008
26. ## math

area is 60m by 8m what is the area?

asked by roxie on February 6, 2013
27. ## Statistics help

Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal curve is 0.3989. (b) Find the standard score (z) such that the area above the mean and

asked by DeeDee6 on June 14, 2013
28. ## Math help

Can someone give me a heads up on how to even start this problem.. Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal curve is 0.3989.

asked by Tom 6 on June 14, 2013
29. ## Math

A cylindrical tank has a height of 8 feet and a diameter of 2 3/4 feet. Use pi= 3.14 What is the lateral surface area? What is the lateral surface area ? If a quart of paint covers 100 square feet, how many quarts of paint will be needed to paint the

asked by Mike on May 16, 2008
30. ## calculas

i didnot under stand the question ? need help Gas is escaping a spherical balloon at the rate of 4 cm3 per minute. How fast is the surface area of the balloon shrinking when the radius of the balloon is 24 cm? Given volume of sphere is V = 4/3 πr^3and the

asked by Anonymous on November 22, 2015
31. ## calculus

P /|\ / | \ / | \ on this side there is an / | \ arc with A(θ) in the / | \ middle. the B(θ) /θ | B(θ)\ triangle is not equal O -------------- R to the θ triangle. Q the figure shows a setor of a circle with central angle theta. Let A(θ) be the area

asked by Reen on November 8, 2009
32. ## Math

Find the area of a circle whose circumference measures 100 cm. Area (to the nearest square centimeter) = cm2 I plugged in everything C = 2 r C=2x3.14x100= 628

asked by sarah on June 28, 2013
33. ## Calculus

A construction company wants to build a rectangular enclosure with an area of 1000 square feet by fencing in three sides and using its office building as the fourth side. Your objective as supervising engineer is to design the enclosure so that it uses the

asked by Joey on August 9, 2011
34. ## math

a farmer has 120 m of fencing to make two identical rectangular enclosures using an existing wall as one side of each enclosure. The dimensions of each closure are x metres and y metres as shown. Obtain and expression in terms of x only for the total area

asked by mecake2 on December 4, 2014
35. ## As physics

Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge Calculate the number of free electrons

asked by cylinder on January 4, 2018
36. ## math

The formula form the surface area of a cube is SA=6s^2 where s represents the length of a side of the cube. What is the surface area of a cube with the sides 4.5 centimeters long?

asked by Amy on January 20, 2015
37. ## Math

Find the shaded area in the following figure if the rectangle inscribed in the circle has dimensions 3 ft x 4 ft. I know I find the area of the rectangle A=l*w, but what do I do next? I know that the Theorem of Pythagoras, 3^2 + 4^2 = d^2. So I can find

asked by Anonymous on March 20, 2010
38. ## Math

You will be designing a park your park must contain the following a rectangle 100yds x 120yds . A picnic n playground area must be add up to be at least 1/2 of the park the picnic area must have a circular garden

asked by Ariana on May 24, 2013
39. ## Map Rectangle

The scale of the map is 1:1000. What are the actual dimensions of a rectangle which appears as 4cm by 3cm on the map? What is the area on the map in cm2. What is the actual area in m2.

asked by abc on October 16, 2014
40. ## math

suppose maya made another sign with an area of 48 square inches. would this sign be larger or smaller than the sign with an area of 48 square centimeters? explain how you know

asked by chris on April 22, 2015
41. ## math

ABCD is a square. Γ1 is a circle that circumscribes ABCD (i.e. Γ1 passes through points A,B,C and D). Γ2 is a circle that is inscribed in ABCD (i.e. Γ2 is tangential to sides AB,BC,CD and DA). If the area of Γ1 is 100, what is the area of Γ2?

asked by jack on June 17, 2013
42. ## Geometry

Find the area of the following circle. ( = 3.14; round answer to the nearest whole number). Circumference = 120 cm. (Hint: Find r from C = 2r (round r to tenths); then find area).

asked by Ivan on January 16, 2011
43. ## math

ABCD is a square. Γ1 is a circle that circumscribes ABCD (i.e. Γ1 passes through points A,B,C and D). Γ2 is a circle that is inscribed in ABCD (i.e. Γ2 is tangential to sides AB,BC,CD and DA). If the area of Γ1 is 100, what is the area of Γ2?

asked by jack on June 17, 2013
44. ## algebra function

Area of a window. A window is in the shape of a square of side s, with a semicircle of diameter s above it. Write a function that expresses the total area of the window as a function of s.

asked by Lizzy on October 6, 2007
45. ## geometry

A right cylinder has the radius of 5 centimeters and height of 22 centimeters. Round to the nearest tenth. I need to find - Find Lateral Area and Find Surface area

asked by JOY on May 24, 2011
46. ## math

Suppose Maya made another sign with an area of 48 square inches. would this sign be larger or smaller than the sign with an area of 48 square centimeters? Explain how you know.

asked by mimi on April 14, 2014
47. ## Math

A right triangle is formed by the origin and the x and y intercepts of the line 14x+7y=56. Find the area of the triangle. I know that Area of a triangle is 1/2bh, but how do I find the base and height? Thank you.

asked by Katie on November 28, 2015
48. ## 3 grade math ms sue

SUPPOSE MAYA MADE ANOTHER SIGN WITH AN AREA OF 48 SQUARE INCHES. WOULD THIS SIGN BE LARGER OR SMALLER THAN THE SIGN WITH AN AREA OF 48 SQUARE CENTIMETERS? EXPAIN HOW YOU KNOW.

asked by dw on March 13, 2012
49. ## MATH OMG HELP

The base and height of an original rectangle are each increased by 15%. The area of the new rectangle is k/w times the area of the original rectangle. If k and w are relatively prime positive integers, find the value of k + w.

asked by Jujube on January 21, 2008
50. ## calculus

a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a

asked by robert on November 18, 2011
51. ## math

The area of a circle is found with the formula A =〖πr〗^2, where π represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet?

asked by Hannah on October 1, 2014
52. ## drbob222,math , algebra

Sorry i made a typo it suppost to read 20m for one base not 12. Directions: Crafts. Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 12m, and the area is 224m ^2, find the length of the other base. Area= 1/2

asked by jasmine20 on December 19, 2006
53. ## engineering mathematics 1

your father wants to fence a rectangular area in your backyard for a garden. one side of the garden is along rhe edgeof the yard is already fenced, so you only need to build a new fence along the other 3 sides of rectangle. if you have 80 meter of fencing

asked by athira on April 18, 2014
54. ## statistics

I am working on a problem in which you've helped someone else on a z-score percentile problem. I have my z-score and my number from the z-table. I'm trying to input it correct in spss but I'm not sure how to set it up. This is what I have so far...

asked by Tina on February 3, 2012
55. ## maths --plse help me..

A school has a hall which is 22 m long and 15.5 m broad . A carpet is laid inside the leaving all around a margin of 75 cm from the walls . Find the area of the carpet and the area of strip left uncovered . If the width of carpet is 82cm ,find its cost at

asked by angel on December 14, 2012
56. ## maths --plse help me..

A school has a hall which is 22 m long and 15.5 m broad . A carpet is laid inside the leaving all around a margin of 75 cm from the walls . Find the area of the carpet and the area of strip left uncovered . If the width of carpet is 82cm ,find its cost at

asked by Anamika on December 14, 2012
57. ## Algebra

Please look over- 1.) Find the area of a rectangle in which the base measures 20 centimeters and the height is half the length of the base. My Answer= area= 200cm squared 2.) Find the area of a parallelogram in which the height measures 14 inches and the

asked by Jamie on September 15, 2007
58. ## pre-calculus

the spread of oil leaking from a tanker is in the shape of a circle. If the radius r (in feet) of the spread after t hours is r(t)= 200 square root of t, find the area A of the oil slick as a function of the time t. You know that the area of a circle is

asked by Erica on October 3, 2006
59. ## Math

Two perpendicular diamters(cutting each other at right angles) of a circle cut the circumference at four(4) points. A square is formed by joining the 4 points. If the circumference of the circle is 132cm, find the area of the square. so right here they

asked by Cindy on April 13, 2007
60. ## Math

I have a 3 part question that I have the answers for but I am still having issues understanding it. Looking for help with the explanation / steps on how you would get the answer. Question 1) The width of a rectangular field is 3h yards and it's length is 3

asked by Dee on December 7, 2017
61. ## Math ttriangles

how would I find the hieght of a isocscles triangle if the base was 20 and the area was 240? To find the height of an isocsceles triangle With the area at 240 and the base at 20 aren't you supposed to divide 240 by 20? If so what is your answer? The area

asked by Sara on February 19, 2007
62. ## Math

* Which is performing more efficiently? A car getting 12 km per liter of gas or one getting 25 miles per hour? * _______ hectares (ha) = 65,000 square meters (sq m) (EXACT answer) * 1200 grams = ________ pounds * A cubic centimeter is : A cube with an area

asked by Mike on March 7, 2008
63. ## Math

A recatangular pen is to be made with 120 feet fencing. The pen is divided into 4 equal parts. And an existing property fence will be used for one long side. 1) If x represents the width of the fence express its area A(x) in terms of x 2) Determine the

asked by Zack on August 8, 2018
64. ## geometry

Use formulas to find the lateral area and surface area of the given prism round to nearest whole number Believe height 4m and base on side 7m, front 29m, other end 7.28m possible answers; 472m^2;486m^2 443m62;486m^2 472m62;479m^2 443m62;500m^2 Can someone

asked by Cody on May 25, 2012
65. ## Maximum area.

A recatangular yard is to be made with 120 feet fencing. The yard is divided into 4 equal parts. And an existing property fence will be used for one long side. If x represents the width of the fence exeorsss its area A(x) in terms of x Determine the

asked by Zack on August 8, 2018
66. ## Pre Calculus

You have been hired by the Humane Society to construct six 2 by 3 animal cages using 1400 feet of chain fence. Express the length and width using function notation. Include a graph with the area function with explanation of significance. Find the

asked by Guillermo on December 6, 2014
67. ## Intermediate Algebra

A parcel delivery service has contracted you to design an open box with square base length x cm and height y cm has a volume of 3600 cubic cm. Find the total surface area in terms of x and y. Also determine the dimension for minimum surface area (round

asked by Ann on October 10, 2015
68. ## Pre-Calculus

You have been hired by the Humane Society to construct six animal cages using 1400 feet of chain fence. Express the length and width using function notation. Include a graph with the area function with explanation of significance. Find the dimensions that

69. ## Help please? Math 141 (Pre-Cal) (Shapes)

Hi everyone I am lost on how to do this math problem: A. You have 180 feet of fencing with which to construct a rectangular pen. What is the maximum area you can enclose? B. Going back to part A, you decide to build your rectangular pen next to a large

asked by Gio on February 6, 2016
70. ## pre calc

area of triangle XYZ given:side z=11 side x=7 and side y=13 what are the angles and area please? please explain

asked by jim on December 8, 2011
71. ## science

plunger a has an area of 54cm and plunger b has an area of 15cm, how much more force can be exerted by plunger b

asked by samantha on May 5, 2011
72. ## math

4. the area of a rectangle is 450 m^2. both the length and width of the rectangle are increased by 10%. what is the area of the new rectangle?

asked by Randy on January 8, 2012
73. ## Algebra

A right triangle has an area of 24 ft^2 the demesions of the triangle are increased by a scale factor of 6 what is the area of the new triangle

asked by Kayla on December 12, 2016
74. ## Calculus

Given the area of a rectangle is A = LW. If three sides of the rectangle are fixed, I.e. 2W + L = 40, find L and W such that you maximize the area of the rectangle. Is it L=10, W=20?

asked by bex on June 6, 2014

An estimate for negative square root of 93 is ___ A-8.1 B-8.5 C-9.1** D-9.5 Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate length of one side of her garden? A:6FT** B:7FT C:8FT

asked by Ella on October 6, 2017
76. ## Math

Clark's Country Pet Resort is fencing a new play area for dogs. The manager has purchased 186 yd of fence to enclose a rectangular pen. The area of the pen must be 2156 yds^2. What are the dimensions of the​ pen? Length is how many yards? Width is how

asked by Jason on November 15, 2016
77. ## Math stuff

Can someone please help me with something? Find the surface area of the prism. 5 m, 12m, 9m. its rectangular Also, Find the surface area of the cylinder to the nearest tenth of a square unit, 4cm, 12.4 cm. I dont quite understand this unit, im bad a

asked by Booper on April 4, 2018
78. ## Earth Science

Why is it generally warmer in a rural area than in an urban area? I have a question: How does the earth's surface heat up or cool down? My answer: the sun heats up the earth darker surfaces are warmer than cooler surfaces. Please help.

asked by Lori on December 19, 2007
79. ## geometry

ABCD is a parallelogram. Let C′ be a point on AC extended such that the length of AC′=1.2AC. Let D′ be on the segment BD such that the length of BD′=0.9BD. The ratio of the area of the quadrilateral ABC′D′ to the area of the parallelogram ABCD

asked by deepak on March 19, 2013
80. ## geometry-volume

Find the missing measure for each pyramid 1) area of base = 1,470 cm^2 volume= 22,050 cm^3 what is the height?______ I got 15cm^2 2) height = 26 feet volume= 11,466 ft^3 what is the area of the base?_____ I got 441 ft^2 Thank you!

asked by Marilyn on January 31, 2018
81. ## algebra

the size and diameter of your pizza the two options for number of slices, including the arc length and area for both options the two options for delivery radius, including the area and equation for both options answers to the reflection questions

asked by Anonymous on May 21, 2012

Emma has 36 feet of fence. She wants to make the largest rectangular area possible for her rabbit to play in. What length should she make each side of the rabbit pen? Show your work and explain how you found the largest area.

asked by Macy on November 18, 2010
83. ## check my work geometry volume

Find the missing measure for each pyramid 1) area of base = 1,470 cm^2 volume= 22,050 cm^3 what is the height?______ I got 15cm^2 2) height = 26 feet volume= 11,466 ft^3 what is the area of the base?_____ I got 441 ft^2 Thank you!

asked by Marilyn on January 31, 2018

Water is flowing in a straight horizontal pipe of variable cross section. Where the cross-sectional area of the pipe is 3.50·10-2 m2, the pressure is 5.30·105 Pa and the velocity is 0.310 m/s. In a constricted region where the area is 12.90·10-4 m2,

asked by Megan on March 20, 2011
85. ## Math- algebra

using L as the length and W is wide asume L is great then W . If a architect is makiing a swimming pool to go into a rectangular area of fencing and she uses 6 yards of fencing to enclose a rectangular area of 352 square yards what would the dinension be

asked by jean on July 5, 2008
86. ## Algbera

Afarmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. Wht is the maximum area that the farmer can enclose with 100 ft of fence? What should the dimensions of the garden be to give this area.

asked by Nikayla on September 5, 2011
87. ## Math

What is the surface area and volume of a composite figure made up of a hemisphere and a cone in terms of pi? The radius is 10, and the slant height is 15. Ans: surface area: 350 pi units^2 volume: 1039.4 pi units^3

asked by Anonymous on May 22, 2015
88. ## Physics

A total charge of 16ìC passes through a cross-sectional area of a nichrome wire in 4 s. How many electrons pass through the cross-sectional area in 16 s? This has to do with Electric current and so i know that means 16ìC = 16 x 10^-6 = 1.6x10^-5.

asked by Struggling Student on January 19, 2013
89. ## Calc

A stone dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 2.6 ft/s. (a) How rapidly is the area enclosed by the ripple increasing when the radius is 4 feet? The area is increasing at

asked by David on November 17, 2015
90. ## math

Find the lateral area of a regular pyramid whose base is a square, whose slant height is 5 m, whose height is 3 m. I think that the answer is 60. I subtracted 3 squared from 5 squared and I got 4. I multipled 4 by 2 and I got 8. I made a formula 3(1/2(8 x

asked by keisha on November 12, 2007
91. ## Math

A farmer is fencing a rectangular area for his farm using the straight portion of a river as one side of the rectangle. If the farmer has 2400 ft of fence, find the dimension of the rectangle that gives the maximum area for the farm

asked by THERESE GAJETOS on August 12, 2014
92. ## maths-urgently needed

A cube or a cuboid had the volume the measurement of the cubiod area in the ratio 1:2:3 if the difference between thee cost of painting the cuboid & cube (whole surface area) at the rate of 5m is rs80 find their volume

asked by Anonymous on January 20, 2013

A photograph measures 20cm by 16cm. A strip of constant width is to be cut off the top and one side of the photo, so the area is reduced to 60% of the area of the original photo. Find the width of the cut. Thank you so much!

asked by Maya on August 17, 2016
94. ## math

Joannies garden is in the shape of a square and has an area of 100 sq ft. Zacharys garden is rectangular. Its length is 3 times as long as Joannies garden but only half as wide. Zachary garden has an area of ______ sq.ft.

asked by nisrin on December 17, 2013
95. ## Math

A gardener has to lay a grass lawn, leaving space for an 80 cm wide concrete path along the inside edge of a square garden with an area of 72.25 meter square. what will be the area of the grass lawn?

asked by Deepak on March 5, 2018
96. ## Math

Richard cuts two of his neighbours lawns. the first is 8m long and 2m wide what is the area? the second lawn takes richard 5 times as long to cut and he knows that all lawns have the same length dimension what is the width of the second neighbour's area?

asked by PANDA on June 13, 2016
97. ## Math

The kingston parks and recreation dept. is planning a new that will be 100 yards long and 85 yards wide. The dept. recommended that the trees be planted along the perimeter of the park at equal distances from each other and as far apart as possible. How

asked by Donna on December 4, 2006
98. ## Calculus

4. Find the dimensions of the largest isosceles triangle having a perimeter of 18 cm. Answer ( all sides 6 cm) i really need help with coming up with the equation of the function before solving its derivative and making it equal zero so far i know 2x+y=18

asked by LALA on March 9, 2010
99. ## geometry

The volume of 2 similar solids are 27 ft3 and 216 ft3. The surface area of the larger solid is 300 ft2. What is the surface area of the smaller solid? Round your answer to the nearest tenths place

asked by Anonymous on October 22, 2012
100. ## math

the length and breadth of the room were measured and area calculated as 600sq.m. (l+B=50) later found the meter rod that had used as an error 5cm i.e actual length of the rod ws 95cm instead of 100cm. find the correct area of the room

asked by priya on February 16, 2015