# area, perimeter

20,801 results, page 73
1. ## science

how do i find the area for light?
2. ## math

why the formula for the area of a trapezoid this A=1/2 x h x(a+b)
3. ## calculus

find the area of the region under y=6 ln(3 x) and above y=8 for 4<x<7
4. ## math

A storage shed is in the shape of a square. A builder increases the length of one side of the shed by three feet and decreases the length of an adjacent side by two feet. The shed is now a rectangle with a perimeter of 70 feet. What is the measure of a
5. ## Math

1. Which polygon will always be irregular? A. triangle B. trapezoid** C. square D. hexagon 2. Which statements are always true about regular polygons? (Choose 2) A. All sides are congruent B. Pairs of sides are parallel** C. All angles are congruent** D.
6. ## C Programming

I am new to c programming and I cannot understand the teacher for the life of me. It becomes very difficult to learn this stuff even just by reading. I'd greatly appreciate any help... The program asks for the user to input the radius and height of a right
7. ## Algebra

a rectangular lot whose perimeter is 1600 feet is fenced on three sides. An expensive fencing along the lot's length cost \$20 per foot, and an inexpensive fencing along the two side widths costs \$5 per foot. The total cost of fencing along the three sides
8. ## geometry

Perimeter of pool is 84ft squared. The removal charge for tile is \$20 per linear foot. Each new 6-inch square tile costs \$2. A pool professional installs the new tile for an additional \$300 charge. What is the total cost for removal and installation, and
9. ## computer

I need help ?you are employed as an IT manager in GOTEC ,which is a small sized company (with 20 employers )that is based in London ,the company sells desktop computers and accessories . to help develop your understanding about basics of computer
10. ## social studies

My class is doing a project on baseball using the 5 themes of goegraphy and I can't figure these questions out. Please help! 1. Why was that particularsite chosen to build the Wrigley stadium? 2. Have people needed to adjust to the climate because of too
11. ## Maths

The length of a rectangular field is 25 metres more than it's breadth. If the perimeter of the field is 430 metres,find the length and breadth of the field
12. ## Math

The length of a rectangle is 10 more than 1/2 the width. The perimeter is 38 feet. Find the length and width of the rectangle. The answer is L= 13, W=6 How do you get the answer???? Like how do you work it out to get that answer????
13. ## math

The perimeter of the isosceles triangle is 28 cm.and side a is equal to (x+2y) while side b is equal to (6y-2x+1) and side c is equal to 4y all in cm.find x and y and hence state the lengths of the side of the triangle
14. ## Geometry

Two triangles are similar. The lengths of the sides of the smaller triangle are 5,6,and 9. The perimeter of the larger triangle is 50. What are the lengths of the sides of the larger triangle?
15. ## geometry

In rectangle ABCD line EF joins the midpoint of line AB and BC. Line BE equals 5, line BF equals 12, find line EF, line AC and perimeter of the rectangle.
16. ## Intermediate Algebra

The perimeter of a triangle is 48 centimeters. The longest side is 2 centimeters less than the longest side. Find the lengths of each side of the triangle.
17. ## UMass

'The rectangular swimming pool in the figure shown measure 40 feet by 60 feet and is surround by a path of uniform width around the four edges. the perimeter of the rectangular formed by the pool and he surrounding path is 248 feet determine the width of
18. ## Electrochem

A baby's spoon with an area of 6.25 cm^2 is plated with silver from AgNO3 using a current of 2.00 A for two hours and 25 minutes. a) If the current efficiency is 82.0%, how many grams of silver are plated? b) What is the thickness of the silver plate
19. ## math

An artist is using tiles and boards for a project. A tile has length of 1 Thirds ft and width 1 thirds ft. a board has length 1 fourths yd and width 1 fourths yd. what is the ratio of the length of the tile to the length of the board? what is the ratio of
20. ## AVID

this is about cornell note taking...i'm done taking notes but i'm having trouble with the summary and the question area...i don't know what to ask ....for the question part...so can u help? The question area...put in a question that you think the teacher
21. ## math

I asked this yesterday and didn't get a response. I know it is difficult since you can't see the picture on my homework. Can you tell me if I started correctly and used the correct formula for surface area of a triangular prism? Is there a way to post a
22. ## Maths

The size of a parcel despatched through the post used to be limited by the fact that the sum of its length and girth (perimeter of the cross section) must not exceed 6 feet. What was the volume of the largest parcel of square cross- section which was
23. ## Calculus

The size of a parcel despatched through the post used to be limited by the fact that the sum of its length and girth (perimeter of the cross section) must not exceed 6 feet. What was the volume of the largest parcel of square cross- section which was
24. ## college algebra

a rectangular lot whose perimeter is 440 feet is fenced along three sides. an expensive fencing along the lot's length cost \$16 per foot, and an inexpensive fencing along the two side widths costs only \$11 per foot. The total cost of the fencing along the
25. ## Maths

The size of a parcel despatched through the post used to be limited by the fact that the sum of its length and girth (perimeter of the cross section) must not exceed 6 feet. What was the volume of the largest parcel of square cross- section which was
26. ## Physics

A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0600 m2. The gas has a density of ñ = 1.70 kg/m3. The
27. ## Biology

Questions 109-111 refer to the map below of the distribution of several populations on the continents of Eurasia and North America. These populations were derived from a common ancestral species. The area enclosed by a given dotted line represents the
28. ## Math

How do I figure out the height of a triangle? The height of a triangle is defined as the perpendicular distance from an angle to a side. Now, since this is a right triangle, and depending on how it is situated, the height could be 10" or 12" if you observe
29. ## Math

Part 1 of the Question: A rectangular field is 120m long and 80m wide. If I walk around the perimeter of the entire field, how far have I walked? Part 2 of the Question: If I wanted to re-turf the field, how much turf would I need to complete the task?
30. ## geometry

The perimeter of an isosceles triangle is 37 in. The lengths of the two equal legs are 6 in. less than 3 times the length of the base. Find the lengths of the three sides. 37=2L+2W W=3W-6 do i have this equation wrote right when i try to solve it the
31. ## Physics

A thin insulating thread of length L is attached to a point on the perimeter of a thin disk. Disk is has radius R< L and is charged with a uniform surface density, σ>0. At the end of the thread there is a small ball mass m and charge q>0. The
32. ## mechanical properties of materials

following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length Load (kN) /Elongation(mm) 5 /0.005 10 /0.015 30 /0.048 50 /0.084 60 /0.102 64.5 /0.109 67/ 0.119 68 /0.137 69/ 0.160 70 /0.229 72 /0.300 76
33. ## mechanical properties of materials

following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length Load (kN) /Elongation(mm) 5 /0.005 10 /0.015 30 /0.048 50 /0.084 60 /0.102 64.5 /0.109 67/ 0.119 68 /0.137 69/ 0.160 70 /0.229 72 /0.300 76
34. ## mechanical properties of materials

following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length Load (kN) Elongation(mm) 5 0.005 10 0.015 30 o.048 50 0.084 60 0.102 64.5 0.109 67 0.119 68 0.137 69 0.160 70 0.229 72 0.300 76 0.424 84
35. ## math

Two cylindrical containers are similar. The larger one has internal cross- section area of 45cm^2 and can hold 0.945 litres of liquid when full. The smaller container has internal cross- section area of 20cm^2. (a) Calculate the capacity of the smaller
36. ## math

Two cylindrical containers are similar. The larger one has internal cross- section area of 45cm^2 and can hold 0.945 litres of liquid when full. The smaller container has internal cross- section area of 20cm^2. (a) Calculate the capacity of the smaller
37. ## Algebra

The perimeter of a triangle is 126 inches. The longest side is 7 inches longer than the shortest side. The shortest side is 2 inches less than remaining side. Find the length of the shortest side.
38. ## math

i need help with geometry semester b unit 7 lesson 10 surface area and volume unit test i need someone to check my anwsers and to tell what i did wrong 1) use euler's formula to find the missing number vertices 15 edges 24 faces? 9,10,11,12 My answer was
39. ## math

mr. ming may swim the perimeter of Pool A or Pool B. In which pool must he swim farther? How much farther? Pool A measurements: 10m, 2m Pool B: 7m, 7,
40. ## algebra

the perimeter of a triangle is 53 inches.the second side is 3 inches longer that the first side the third side is 1.5 times the lenght of the second side. what is the lenght of each side
41. ## math

mr. ming may swim the perimeter of Pool A or Pool B. In which pool must he swim farther? How much farther? Pool A measurements: 10m, 2m Pool B: 7m, 7m
42. ## Physics

A typical brick has dimensions of 20.0 cm by 10.0 cm by 5.0 cm and weighs 20.0 N. How does the pressure exerted by a typical brick when it is resting on its smallest side compare to the pressure exerted when it is resting on its largest side PLEASE HELP !!
43. ## math

A park has the shape of a trapezoid. Two of the sides are 25 meters long. The other two sides are 40 meters and 20 meters long. What is the perimeter of the park my answer is 110 meters
44. ## math

In \bigtriangleup ABC△ABC AB and BC are congruent. If the perimeter of \bigtriangleup ABC△ABC is 82 centimeters. How many centimeters long is AC? AC = 2x BC = 4x - 9 I don't understand it at all. Explain it to me please
45. ## Algebra II

The longer side of a triangle is 3 times the shorter side. The third side is 4 inches longer than the shorter. How long is the short side if the perimeter is more than 39 inches?
46. ## Math

I was wondering if you can help me with math real quickly. I just cant figure this out. For the first question I have to find the surface area for the given cylinder. I have to use 3.14 and round to the nearest whole number. The radius is 6ft and the
47. ## math ,correction

Is this correct? consider determining how many possible phone numbers are in an area code (repeated numbers allowed) Is this a combination, a permutation, or neither? I think it would be a combination wouldn't it? Since there are ten number possibilities
48. ## Tutor

does anyone know where i can get a free interactive online tutor? I don't really need it all the time, I just need one for math when I'm confused. You guys all do a great job but I was wondering if anyone knows where a tutor would be. Anywhere from AIM to
49. ## alg

a garden has width ã13 and length 7ã13. whats the perimeter of the garden in the simplest radical form a) 14ã13 units b) 16ã13 units c) 91 units d) 8ã13 units
50. ## math (again ugh)

A rectangular place mat and matching napkin are proportional. The dimensions of the place mat are 1.5 times as large as the napkin's dimensions. If the perimeterof the place mat is 60 in., the perimeter of the napkin is what? i think i have to divide 60 by
51. ## math

Robert is replacing sod in two square-shaped areas of his backyard. One side of the first area is 7.5 feet. One side of the other area is 5.7 feet. The sod costs 'y' dollars per square foot. A)Write an expression to show how much Robert will spend on sod.
52. ## algebra 2

the perimeter of a triangle is 49 centimeters. find the lenghts of its sides, if the longest side is 9 centimeters longer than the shorter side, and the remaining side is 4 centimeters longer than the shorter side.
53. ## geometry

In triangle ABC, if line BC is one inch longer than line AB, line AC is 10 inches shorter than the sum of line BC and line AB , and the perimeter of triangle ABC is 72 inches, find the length of line BC?
54. ## algebra

The perimeter of a triangle is 45 centimeters. Find the lengths of its sides, if the longest side is 7 centimeters longer than the shortest side, and the remaining side is 2 centimeters longer than the shortest side.
55. ## Algebra II

Two sides of a triangle are equal in length. The length of the third side is three meters less that the sum of the lengthsof the other two sides.Find the length of the longest side of the triangle if its perimeter is 29 meters. Please help. Thanks.
56. ## math

The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of concrete will need to be
57. ## CALCULUS problem

There are four parts to this one question, and would really appreciate if you could show and explain how you get to the answer, because I tried looking up how to find the answer myself, but nothing made sense. Thank you! 11. The region R is bounded by the
58. ## Algebra II

I have a question about Algebra polynomials. Question goes about this A rectangular painting is twice as long as it is wide. A frame surrounds the painting. The frame is a constant 2 inches wide and has a area of 196 square inches. Find the dimensions of
59. ## Fluid Mechanics

A supersonic wind tunnel is to be operated at M=2.2 in the test section. Upstream from the test section, the nozzle throat area is 0.07 m². Air is supplied at stagnation conditions of 500 K and 1.0 MPa (abs). At one flow condition, while the tunnel is
60. ## Algebra 1

1. Simplify 49^3/2. My answer: 343? 2. Simplify 5^ãx^25y^125. My answer: x^5y^25? 3. When the polynomial 5x - 2x + 8x^2 - 7 is written in standard form, what is the leading coefficient? My answer: -2? 4. Classify the polynomial 5x^2 + 9x + 1 according
61. ## Algebra

The length of a rectangle is 5 meters more than its width. The perimeter is 66 meters. Find the length and the width of the rectangle
62. ## Math

Length of rectangle is 8 metres less than twice its breadth. If the perimeter of the rectangle is 56 metres.Find its length and breadth
63. ## Math

Two 2 1/2 inch plastic strips and two 5 1/3 inch plastic strips are used to form a rectangle. What is the Perimeter of the rectangle?
64. ## Algebra 2

The perimeter of a rectangle is 82 feet. Find the length and width of the rectangle if the length is 7 feet more than width.
65. ## Math

A rectangle has a width of 5 meters and length of 14 meters. If a similar rectangle has a width of 15 meters, what's its perimeter, in meters?
66. ## Maths

Length of rectangle is 8 metres less than twice it's breath. If perimeter of rectangle is 56 metres. Find it's length and breath
67. ## astrophysics

1) Every second the Sun outputs 3.90* 10^26 Joules of energy. Power is energy output per unit time and is given in units of Watts (W) where 1 W = 1 Joule per second. The Sun's power output is therefore 3.90*10^26 Watts. This is called the solar luminosity.
68. ## astrophysics

1) Every second the Sun outputs 3.90* 10^26 Joules of energy. Power is energy output per unit time and is given in units of Watts (W) where 1 W = 1 Joule per second. The Sun's power output is therefore 3.90*10^26 Watts. This is called the solar luminosity.
69. ## Math

Compare the population per square mile in Asia to the population per square mile in North America for the year 2000 Asia is 17,400 (land area) and land area is 1000 mi squared population is 4,028,000,000 North America is 9,400 (land area) and land area is

I posted this question a few days ago and someone answered it but I just wanted to make sure that I copied down the correct answers and didn't misunderstand anything. Related Rates: Gas is escaping a spherical balloon at the rate of 2ft^3/min. How fast is
71. ## Geometry

The ratio of the side lengths of a quadrilateral is 2:4:5:7 and its perimeter is 36 meters. Determine the length of each side. x =       a =       b =       c =
72. ## math

find the perimator and area of 15yd and 20 yd
73. ## algebra

What is the formula to find the area of a circle?
74. ## Geometry

The side of a square measures 3 cm. What is its area?
75. ## matematicas

¿cual es el area de un terreno rectangular de 15.5 x 10.1m?
76. ## Statistics

Find t-value for sample size n = 16 and area to the right 0.10
77. ## math

find the area of a square, that measures 1.2 cm by 1.2 cm?
78. ## physics

Calculate pressure if force is 5N in an area of 1m.sq.
79. ## math

if the area is 135 and the length is 15, then what is the width of it ?

81. ## Pre-cal

What is the area of triangle ABC if a = 19, b = 14, and c = 23?
82. ## geometry

what is the area of a piece of fabric that has the measurement of (s - 4)
83. ## math

if a circle has area 2500pi what is its circumference?
84. ## geometry

Which is the area of a circle with a circumference of 37.68 units? (use 3.14 for pi)
85. ## math

What is the area for each circle? 1. d = 22mm 2. d = 17m
86. ## physics

weight 240N/ area 2cm2=
87. ## calculus 2

what is the polar area between r=5sinx and r=5cosx
88. ## math

Draw a curve and shade the area between z=1.15 and z=1.35
89. ## Science

what is a flat area where drainage is slow?
90. ## Math

Draw a curve and shade the area between z= -.35 and z= 35
91. ## Math

Find the area of the triangle ABC given A = 30°, b = 5, and c = 2.
92. ## maths

find the area of a square whose diagonal is 8m
93. ## Calculus

Let A be the area of the circle with the radius r. if dr/dt = 5, find dA/dt when r = 1
94. ## Calculus

Find the area bounded by the indicated curves. y=x^2, y=0, x=2
95. ## Engineering Mathematics-I

Find the area bounded by y=2x^2 and y^2=4x
96. ## Math

If the base is 15 3/4 and the area is 147 what would the height be?
97. ## Geometry 2

What is the area of the regular pentagon below? The five sides are 20 Ft each
98. ## math

I need a sketch and label of a figure that has an area of 47 sq. cm.
99. ## Calculus

Find the area between the x-axis and the graph y = x^2 – x + 1 from x = 0 to x = 3.
100. ## alegebra

find the area when b=15 m (metera) and h=20m