# area, perimeter

20,711 results, page 84
1. ## ENVIRONMENTAL SCIENCE ( math/science)

Llyn y Gweision (a Welsh lake) has a surface area of 10 km2. It is fed by two rivers: the Afon Chwefru and the Nant Aeron. The Chwefru(Ich) has a catchment area of 1250 km2. The Aeron(Iae) has a catchment area of 2.400 * 106 ha. The outflow stream, the
2. ## MATH 115

I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/8-9/3=6 3.Jamal is fencing a rectangular field
3. ## Physics

A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places)
4. ## Physics

A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places)
5. ## Algebra

What is the perimeter of a computer graphic with sides measuring: 2 times the square root of 50, 3 times the square of 72, 6 times the square root of 98, and 3 times the square root of 12 centimeters?
6. ## Math

A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that can be folded up to form a box with no lid. The length and width of the base of the box are given by the expression (100 – 2x),
7. ## math

The sides of a triangle are in the extended ratio 2 6 7. If the perimeter of the triangle is 45 inches, then what is the length of the shortest side? A. 2 inches B. 3 inches C. 6 inches*** D. 12 inches The measures of the angle of a triangle are in the
8. ## maths-parallelogram

there is a man who decided to make a garden either in shape of rectangle or parallelogram in front of his house and fence it. but he chooses the rectangle shape. The parallelogram whose length is 20m and width is 14m. The cost of fencing is Rs.2000 per
9. ## Basic Algebra

The width of a rectangle is x inches long. The length of that rectangle is 5 inches less than Twice the width. If the perimeter measures 26 inches, what is the measure of the length and width of the rectangle. Show all the work and the algebra you used to
10. ## geometry

An observatory has the shape of a right circular cylinder topped by a hemisphere. The radius of the cylinder is 8 ft and its altitude measures 26 ft What is the approximate surface area of the observatory? Round to the nearest foot. Show all work to
11. ## Physics repost

Posted by Mary on Saturday, October 6, 2007 at 5:13pm. Suppose you wish to make a solenoid whose self-inductance is 1.2 mH. The inductor is to have a cross-sectional area of 1.2 10-3 m2 and a length of 0.048 m. How many turns of wire are needed? For
12. ## Economics

I am working on the cost of taxation. Question: The market for pizza is characterized by a downward-sloping demand curve and upward-sloping supply curve. Suppose that the govenment forces each pizzeria to pay a \$1.00 tax on each pizza sold. Illustrate the
13. ## math

Robert planted pumpkins to sell. Their garden has 5 sides. 5 feet 8 inches, 7 feet 8 inches, 10 feet 3 inches, 7 feet 5 inches, 7 feet 11 inches. What is the perimeter of their garden?
14. ## maths

two cylinders have identical bases with differnt lengths.the length of shorte cylinder is x where as the length of longer cylinder is 2x.which statement is true 1.the shorter cylinder has one half the surface area of the taller cylinder for all values of
15. ## Math 2 questions

A rectangular prism has a width of 92 ft and a volume of 240 ft3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. 3.8 ft3 60 ft3 15 ft3 10.4 ft3 A pyramid has a height of 5 in. and a surface area of 90
16. ## Math

The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less than the first side. What is the length of each side?
17. ## Math

The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less than the first side. What is the length of each side?
18. ## College Algebra

Suppose that the length of a rectangle is 3 inches longer than the width and that the perimeter of the rectangle is 78. Set up an equation involving only L, the length of the rectangle. Solve this equation algebraically to find the length of the rectangle.
19. ## Math

Brandy plans to frame a picture with a sheet of construction paper. Her picture is 8 inches wide and 13 inches long. She wants the frame to extend 1 inch beyond the picture on all sides l. How wide and long should the frame be? What is the perimeter of her
20. ## basic geometric

a would like to get someone too help me with these math problem. Two angles of a triangle are 40 degrees and 62 degrees; what is the third angle's measur? The angles of a triangle always adds to 180o. You know two of the angles, solve for the third. can
21. ## physics

Muscles are attached to bones by means of tendons. The maximum force that a muscle can exert is directly proportional to its cross-sectional area A at the widest point. We can express this relationship mathematically as F~max= σA, where σ (sigma)
22. ## Algebra

PLEASE HELP! 1. Part 1: Using the digits 4 and 10, and the variable x, write an equation and solve. Part 2: Using the digits 4 and 10, and the variable x, write an expression and simplify if neccessary. 2.Equation: 10 + 4 = x 14=x Expression: 10(4 + x)
23. ## Math

1) Each side of a triangle is a different length. One side is 6, one side is more than 6, and one side is less than 6. The perimeter of the triangle could not be... a.13 b.18 c.22 d.24 2)Which of the following could not be the measures of two of the three
24. ## math

The longest side of a triangle is six more units that the shortest side. The third side is twice the length of the shortest side. If the perimeter of the triangle is 25 units, write and solve an equation to find the length of all three sides of the
25. ## MATH

I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/8-9/3=6 3.Jamal is fencing a rectangular field
26. ## Algebra 1

The perimeter of a triangle is 20 inches. The longest side is 4 inches longer than the shortest side, and the shortest side is three -fourths the length of the middle side. Find the length of each side of the triangle
27. ## algebra 1

1) the width of a rectangle is 33 centimeters. the perimeter is at least 776 centimeters. write an inequality to find the length of the rectangle. a. 33+ L≤ 776 b. 33+L≥776 c. 2(33)+2L≤776 d. 2(33)+2L≥776 D
28. ## physics

An electronic point source emits sound isotropically at a frequency of 3000 Hz and a power of 34 watts. A small microphone has an area of 0.75 cm2 and is located 158 meters from the point source. a) What is the sound intensity at the microphone ? To find
29. ## MTH/208

East Battle Lake in Minnesota covers an area of about 1950 acres or 8.5X10^7 square feet and its average depth is about 3.2x10^1 feet. a. Estimate the cubic feet of water in the lake. (hint: Volume=area x average depth.) b. One cubic foot of water equals
30. ## Geometry

An isosceles trapezoid has a perimeter of 42 inches. Each of the congruent nonparallel sides is 5 inches long and the trapezoid is 3 inches tall. How long are the two parallel sides? A. 10 in, 22 in B. 16 in, 16 in C. 10 in, 16 in D. 12 in, 20 in * I
31. ## physics

1. A closed magnetic circuit of cast steel contains a 6cm long path of cross sectional area 1cm square and a 2cm part of cross sectional area of 0.5cm square. A coil of 200 turns is wound around the 6cm length of the circuit and a current of 0.4ampere
32. ## Math-II

Rectangle A and B are similar. The ratio of rectangle B's width to rectangle A's width is 3:2. Rectangle A has a length of 24 inches and a width of 16 inches. What is the perimeter of rectangle B?
33. ## Geometry

Max is building a spherical model of earth. He is building his model using 2-inch long pieces of wood to construct the radius. The first time he tries to build the model, he uses 3 of the 2-inch pieces of wood end-to-end to make the radius of the model.
34. ## ALGEBRA

I need help with two problems to finish my assignment. #1 The length of a rectangle is fixed at 29cm. What widths will make the perimeter greater than 86 cm? If I could get the equation for this I would be able to figure it. I saw this one posted and no
35. ## Math (Statistics)

(Find Normal Proportions) The lengths of Atlantic croaker fish are normally distributed with μ = 10 inches and σ = 2 inches. a) Draw the distribution of fish lengths above the axis, and label the mean (which I believe is μ=10). b)Gently
36. ## Chemistry 109 Chapter 15 exercise 112

Consider the following generic equilibrium in which a solid reactant is in equilibrium with a gaseous product. A(s) == B (g). The following diagrams represent the reaction mixture at the following points: (a) initially; (b) after a short period of time has
37. ## Geometry Honors

Problem: A triangular lot has two sides of length 100m and 48m as indicated in the figure below. The length of the perpendicular from a corner of the lot to the 48m side is 96m. A fence is to be erected perpendicular to the 48m side so that the area of the
38. ## math

The altitude of a triangle is increasing at a rate of 3 centimeters/minute while the area of the triangle is increasing at a rate of 7 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 22 centimeters and the
39. ## social

why was the hudson bay area important to the british fur trade?
40. ## STATISTICS

The area under a normal curve distribution is I have an answer of equal to one. is this correct?
41. ## Maths

A table top measures 2m by 1m50cm. What is its area in square metres
42. ## maths

Find the area of the largest rectangle that can be inscribed in a semicircle of radius "r"?
43. ## Maths

A rectangle has an area of 36m2 list all possible lengths of sides using while numbers it could have
44. ## math

find the base of a triangle whose height is 1.7 feet and whose area is 1.87ft2
45. ## Math

how do you find the the area of a shaded region between the circle and the and the triangle with the points given (-8,6), (8,6) and (10,0)
46. ## english

Digging in New Mexico for prehistoric artifacts suggests what area of anthropology
47. ## Math

Give possible values for length and breadth of rectangle whose area is xsquare-3(x)+2
48. ## Math

Determine the area of the region between the curves: f(x) = -3x^3 + 6.25x^2 + 27.1875x - 9.328125 and g(x) = 1x^2 + 3x -3
49. ## math

A triangle has an area of 15cm2. If it has a height of 5cm, what is the length of its base?
50. ## mats

The volume of a cube is 512 cm cubic.Find its surface area ?
51. ## math

The volume of rectangular solid is x^3 +3x^2+2x-5) cubic cm and its height (x+1 )cm.what is the area of its base
52. ## Physical Science

If 30 N of force is exerted over an area of 20 m2, how much pressure is being applied in pascals?
53. ## math

The area of a rectangular garden is given by the trinomial 2x squared + 2x - 84. What are the possible dimensions of the rectangle?
54. ## social studys

what year will the government release all the files or whatever about area 51 and 9-11-2001
55. ## Geometry

A circle has a radius of 6 inches. The circumscribed equilateral triangle will have an area of:?
56. ## Maths

Work out the area of an equilateral triangle, with side lengths a, in sure form.
57. ## mathematics

if a circle has a radius of 6 inches,what will the area of the circumscribed equilateral triangle be?
58. ## geometry

Find the area of a regular hexagon with the given measurement. 4-inch side A = sq. in.
59. ## Math

What is the length of each side of a square that has the same area as a rectangle that is 12 mm long and 18 mm wide?
60. ## math

What is the smallest area of a triangle with corners at (0, 0) and (27, 14) and another point with integer coordinates?
61. ## Algebra 1

Find the area of a circle with a radius=19yd Use π≈ 3.14
62. ## geometry

find the area of rectangleRSTU if it is similar to rectangleMNPQ and MN is 4 cm. and MQ is 3cm. while RS is 6cm.
63. ## calculus

Find the area of the region cut from the first quadrant by the curve r=2(2-sin2ɵ)½
64. ## geometry

if hieght 10 cm and radious =7cm of cone then what is the total surface area.
65. ## math

find the area of a triangle w/ sides 4x, 5x and 7x Round to the nearest hundredth thanks for your help
66. ## math

How long is a rectangular strip of land with a width of 5/4 km and an area of 3/4 square km ?
67. ## Maths

Find the physical area between the curves y=sin(2x) and y=cos(x) from x=pi/2 to x=3pi/2
68. ## Pre Algebra

How can I find the area of the shape when it has three units? Heres how it looks: Thanks to who helps :)
69. ## math

Find the z-score such that the area under the standard normal curve to the left is 0.53.
70. ## US History

How did the Native Americans respond to the expansion of English settlement in each area?
71. ## geometry

find the area of a square if each side measures 10 cm. my answer is 100 cm
72. ## Geometry

What is the surface area of a right prism that has these dimensions? Base- 11" x 15 " Back- 10" x 15" Front-?
73. ## plane geometry

if an obtuse triangle has an area of 28 sq.in. how do you find the base and height?
74. ## geometry

An isosceles trapezoid has bases of 4 and 10. If the base angle is 45°, find the area.
75. ## Math

Find the area of the largest square that can be cut from a circle whose radius 4 mm
76. ## Math

Find the area of the largest square that can be cut from a circle whose radius 4 mm?
77. ## Math (geometry)

Find the area of the region inside the circle x^2+y^2=2 AND above the line y=1.
78. ## geometry

i need to find the area of the trapezoid 8cm,7cm,3cm,45degrees
79. ## Math

If the length and the width of a rectangle are doubled, its area is increased by what percent?
80. ## Math

I need to know the steps on how to solve the surface area of a cone. That has a radius of 4 and a height of 7.
81. ## Math

How do I find the area of the region bounded by the curves y = e^x, y = e^-x, x= -2, and x = 1? Even if you could just help me in getting started it would be a HUGE help. Thanks!
82. ## math

what is the volume of a cube with a base area of 76cm2 (squared) and height 8 cm?
83. ## Math

how do you find the volume and surface area of a regular triangular pyramid?
84. ## math

How does the area of a circle change if the radius is multiplied by a factor of n, where n is a whole number? THANK YOU!
85. ## geometry

What's the circumference of a circle whose area equals 20x 3.14 cm squared in centimeters?
86. ## math

How do I graph a circle with the center being (0, 5) that passes through (0, -5) and then find area a and circumference?
87. ## Geometry

How do I find the radius of a right cone with a slant of 22 and surface area of 168pi m^2?
88. ## Math/Physics

Why is I(x)=dP/dx*1/A x is the wavelenght lambda I is the intensity (I=P/A) P is the power A is the area Thanks in advance
89. ## Math

On a graph coordinate A is -1,4 B is 6,4 C is 6,0 D is -1,-2. These coordinates form a rectangle. What is the area of ABCD?
90. ## physics

How much charge passes through a cross-sectional area of a copper wire in 0.8 s if I = 3.5 A? 1 C

I want to know one urban area activiy and one subburn eara activity
92. ## physics

Find the outside surface area. Note that the containter has a top. (Assume a = 1.95 in, b = 1.35 in, c = 1.3 in, d = 1.25 in, and e = 2 in.)
93. ## math

Find two different perimeters of a rectangle with an area of 14 units. Nme their dimensions.
94. ## MATH

ESTIMATION. WHICH IS THE BEST ESTIMATE FOR THE AREA OF A SQUARE WITH SIDES EQUAL TO 4 1/8 INCHES?
95. ## math

The area of a driveway. What metric unit would I use to figer outthe proublum
96. ## math

find the area of rhombus if each side measures 5 cm and the shorter diagonal is 6 cm.
97. ## geometry

Find the surface area and the volume of a sphere whose radius equals 4?