# area, perimeter

20,809 results, page 23
1. ## Algebra 1--How Am I Supposed to Solve This?!

Suppose a cone and a cylinder have the same radius and that the slant height l of the cone is the same as the height h of the cylinder. Find the ratio of the cone's surface area to the cylinder's surface area. Area of cone: S = πrl + πr^2 Area of
2. ## algebra

The area of a state is 7 times the area of another state. the sum of the areas are 32,000,000. what is the area of each state
3. ## math

if tammy can clean 1/2 the area in an hour by herself and melissa can clean 1/3 the area by herself in an hour then how long will it take them to clean the area together.
4. ## maths

the length of rectangle is x cm .the width of the rectangle is 4cm less than the length. A. write an expression in terms of x for the width of the rectangle B. write the expression for the perimeter of the rectangle in terms of x C. the perimeter of the
5. ## Math

Jennifer plans to fence a rectangular area around her rectangular swimming pool. The total area enclosed by the fence, including the pool, should be 5 times the area of the pool alone. The pool is 20 feet by 17 feet. What is the total area enclosed by the
6. ## math 117

A rectangle has an area of (a^2+4a+4) square inches, and you know that the width is (a+2) inches. You can use long division to determine the length of the box. area = length * width, length = area/width I got this as my answer The length is going to be a+2
7. ## math

the area of a squar floor on a scale drawing is 100 square centimeters ,and the scale of the drawing is 1cm:2ft.what is the are of the actual floor?what is the ratio of the area in drawing to the actual area?
8. ## algebra

The combined area of New York and California is 204,192 square miles. The area of California is 108,530 square miles more than that of New York. Find the land area of each state. CA, mi2 NY, mi2 .
9. ## MATH/SCIENCE HELP

1. In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: a. The depth (amount) of rain that fell (in mm). b. The
10. ## Environmental Science

In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds. Calculate: a. The depth (amount) of rain that fell (in mm). b. The intensity
11. ## algebra

Kirk and Montega mow the soccer playing fields. They must mow an area of 500 ft long and 400 feet wide. They agree that each will mow half the area. Kirk will mow around the edge in a path of equal width until half the area is left. *What is the area each
12. ## caculus

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=11-x^2. What are the dimensions of such a rectangle with the greatest possible area? Width=? Height=? Area= height*width=y(2x) Area=(11-x^2)(2x) solve for
13. ## algebra story problems

You have a metal plate that you have drilled a hole into. The entire area enclosed by the metal plate is given by 5x^2 = 12x + 10 and the area of the hole is given by x^2+2. Write an expression for the area in factored form of the plate that is left after
14. ## geometry

abcd is a square picture frame. efgh is a square inscribed within abcd as a space for a picture. the area of efgh (for the picture) is equal to the area of the picture frame (the area of abcd minus the area of efgh). if AB=6, what is the length of EF
15. ## calculus

Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 7.5 mi2/hr. How rapidly is radius of the spill increasing when the area is 10 mi^2?
16. ## Math - Algebra 1

A field must be fenced in. There is 212 yards of fencing material to be used. What should the dimensions of the enclosed area be to ensure that is has the largest area possible? (system of equations) Dimensions_____________________
17. ## Calculus

approximate the change in the lateral surface area(excluding the area of the base of a right circular cone of fixed height of h=6m when its radius decreases from r=11m to r=10.9m S=(pi)r sqrt(r^2+h^2)
18. ## HCS320

I need help with this my computer just got restarted like it was new and now I do not have microsoft office for power point Help Please.Outline how to integrate communication from a central command area to all area of the organization. Also need 3 slides
19. ## math

Two paper strips each 5 cm wide are laid across each other at an angle of 30 degrees. Determine the area of the overlapping area. I have no idea where to start with this question or how to go on. I know it has to do with cosine or sine law. But what do I
20. ## mat117/algebra

If the sides of a square are increased by 3 cm, the area is decreased by 36 cm^2. What were the dimensions of the original square? Please show me the formula and how to work. That doesn't sound possible. If the sides of a square are increased, the area
21. ## Math (Geometry)

1. A rhombus has an area of 5 square meters and a length of 3 meters. In a similar rhombus, the length of a side is 9 meters. What is the area of the second rhombus? [Area= diagonal1 X diagonal2 / 2]
22. ## Geometry plz help

A rectangular solid has a top face with surface area of 28 ft, a front face with surface area of 20 ft, and a side face with surface area of 70 ft. What is the volume of this solid?
23. ## Math

In triangle ABC, D bisects side BC, G bisects side AB, and the points E and F trisect side AC. What is the area of the shaded polygon, if the area of ABC is 108? I tryed to find the area of triangles on the side and I figured that if you put a line from
24. ## Math

In triangle ABC, D bisects side BC, G bisects side AB, and the points E and F trisect side AC. What is the area of the shaded polygon, if the area of ABC is 108? I tryed to find the area of triangles on the side and I figured that if you put a line from

In triangle ABC, D bisects side BC, G bisects side AB, and the points E and F trisect side AC. What is the area of the shaded polygon, if the area of ABC is 108? I tryed to find the area of triangles on the side and I figured that if you put a line from
26. ## Computer Science (Basics)

public class Circumference { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub ; final double PI = 3.14159; int radius = 10; double area = PI * radius *radius; double circum = 2 * PI * radius;
27. ## Calculus

A cylindrical drum is made to hold exactly 1m^3 in its interior. Assume that the material for the top and the bottom costs \$20 per m^2, while that for the side costs \$10 per m^2. Determine the radius of the drum that minimizes the cost of the material
28. ## math

Graph y = ½ x^2 – x +3 for 0≤x≤6 (b) Calculate the mid- ordinates for 5 strips between x = 1 and x 6, and hence use the mid-ordinate rule to approximate the area under the curve between x = 1, x = 6 and the x- axis. (c) assuming that the
29. ## Math

Graph y = ½ x^2 – x +3 for 0≤x≤6 Calculate the mid- ordinates for 5 strips between x = 1 and x 6, and hence use the mid-ordinate rule to approximate the area under the curve between x = 1, x = 6 and the x- axis. assuming that the area
30. ## math

Graph y = ½ x^2 – x +3 for 0≤x≤6 (b) Calculate the mid- ordinates for 5 strips between x = 1 and x 6, and hence use the mid-ordinate rule to approximate the area under the curve between x = 1, x = 6 and the x- axis. (c) assuming that the
31. ## Math

The area of a rectangular photograph is 59 square inches.It is to be mounted on a rectangular card with a boarder of 1 inch at each side and 2 inches at the top and bottom.Express the total area of the photograph and the boarder,A, as a function of the
32. ## Polar coordinates

I need some help on this Calculus question about polar coordinates. Consider a pasture bordering on a straight river. At 2m from the river, a goat is tied to a pole with a 4m long rope. What is the area of grass that the goat can graze? There are a couple
33. ## Caclulus

Let x and y be to positive numbers whose product is 500: (a) Find the maximum sum of x and y (b) Find the minimum sum of x and y: 2. A cylindrical container can hold a volume of 1 liter. Find the dimensions of the container that minimizes the surface area.
34. ## Math algebra

It say to find the area of the irregular shape and it's a semi circle with the diameter of 5 and a square measure 8 and I got the area of the rectantagle which is 40 and now I got to find the area of the semi circle but it say the radius for the formula
35. ## Math

The entrance hall to the Louvre Museum in Paris is a glass and metal pyramid with a surface area of approximately 1980 square on each side . The base of the pyramid is a square that is 35.4 meters on each side. What is the slant height of the pyramid ?
36. ## math

What is the perimeter of the facility? 20 feet
37. ## math

What is the value of x if the perimeter of a rectangle is 38cm.?
38. ## math

what is the perimeter value of r=a(1+cos theta)
39. ## HELP!!!!!!!!!GEOMETRY!!!!

WHAT IS THE PERIMETER OF A SQUARE WHOSE VERTICLES ARE A(-4,-3), B(-5,1), C(-1,2), AND D(0,-2)?
40. ## math

what is the perimeter of triangle 8746
41. ## math

What is the perimeter of a circle that is 10m?
42. ## maths

Consider a rectangle with perimeter of 24 unites
43. ## Math

WHAT IS THE PERIMETER OF A SQUARE WHOSE VERTICLES ARE A(-4,-3), B(-5,1), C(-1,2), AND D(0,-2)?
44. ## algebra

how many times can you make a perimeter of 10?
45. ## math

what is the value of x given the perimeter is 76, the length is 3x -6 and the width is x.
46. ## Math

how do I find the perimeter of a trapezoid
47. ## math

How do I draw a figure with a perimeter of 15 cm?
48. ## math

how many rectangle whose perimeter is 28cm?
49. ## Math

Formula of perimeter of parallelogram
50. ## Harris

what is the perimeter of parallelogram with sides of 3x + 5 and x +7?
51. ## geometry

what is the perimeter of a square if both sides were 17 cm
52. ## geometry

what is the perimeter of triangleABC if the coordinattes of A,B and C are (3,7), (7,3) and (-2,5) respectively
53. ## Math

How many rectangles can you make with a perimeter of 32...
54. ## Geometry

AB~=DC and AD~=BC. Find the perimeter of the figure.
55. ## Math

Find the perimeter of semicircle d
56. ## Geometry

PE~=PM, y=5x+5. Find the perimeter of the figure.
57. ## math

find the perimeter of five bricks (3x)+(2x+2)+(5x-3)+(2x+2)
58. ## geometry

DF = 3x + 1, DE = EFm = x +5. The perimeter is 31. Find x, DE and DF.
59. ## mathematics

P=2(l+b) the length of a rectangle given the perimeter
60. ## geometry

a pentagon with a perimeter of 45 feet
61. ## geomerty

how do you figure out the perimeter of a triangle?
62. ## geometry

find the perimeter of a rectangle if: L=12 cm, W=5 cm
63. ## algebra

how do I find the width of a perimeter?
64. ## math

Find the perimeter of the figure given below 10.5 ft 6.3 ft 3.2 ft 7.4 ft 5.8 ft"
65. ## Parent

the perimeter of the triangle is 55 inches. what is the value of X?
66. ## Geometry

Find the perimeter of the triangle. L1=12.5 in, L2= 10.6 in, L3= 9.5 in.
67. ## PHYSICS (CHECK WORK)

Can somebody please check my work. I got part a right, but my answer for part b is wrong. (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is
68. ## math

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I think the answer is 36 for lateral area and 106 as surface area. I made a formula, 2(7 x 1.5 + 1.5 x 5)) and I got 36. Then I made
69. ## Math

y = ½ x^2 – x +3 for 1≤x≤6 (b) Calculate the mid- ordinates for 5 strips between x = 1 and x= 6, and hence use the mid-ordinate rule to approximate the area under the curve between x = 1, x = 6 and the x = axis. (c) assuming that the area
70. ## math

y = ½ x^2 – x +3 for 0≤x≤6 (b) Calculate the mid- ordinates for 5 strips between x = 1 and x= 6, and hence use the mid-ordinate rule to approximate the area under the curve between x = 1, x = 6 and the x = axis. (c) assuming that the area
71. ## math

A radio station broadcasts a signal over an area with radius of 50 miles. The station can relay the signal and broadcast over an area with a radius of 75 miles. How much greater is the area of broadcast region when the signal is relayed? Round your answer
72. ## Pre-Calc

One campus of HCC has plans to construct rectangular parking lot on land bordered on one side by a highway. There are 640 ft of fencing available to fence the other sides. Let x represent the length of each of the two parallel sides of fencing. a. draw the
73. ## geometry

1. What is the lateral surface area of a square pyramid with side length 11.2 cm and slant height 20 cm? 224 cm2 448 cm2 896 cm2 2508.8 cm2 2. What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm? 19 cm2 30 cm2 200 cm2 209
74. ## Math

Can someone please explain this problem to me? A tangram is a geometric puzzle made from seven pieces that form a square. A) If the area of the entire square equals 1 unit, label each piece with its rational number area. B) If the area of piece (a) equals
75. ## algebra

A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What 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? The max.
76. ## Geometry/Algebra/Calculus

Why isn't the surface area of a sphere with radius r the following: 2*pi * (pi*r) That comes from the following flow of logic: Doesn't it makes sense to think of the surface area of the sphere with radius r as the the circumference of the semi-circle with
77. ## Geometry HELP

Find the area of the parallelogram.( with base(s)=10 and the side length(s)=6cm. I don't know the height or area so how do I get my answer? here are the multiple choice answers. a.)15âˆš3 cm^2 b.)15âˆš2 cm^2 c.) 30âˆš3 cm^2
78. ## calculus- optimization

A rectangle is inscribed into a semi circle at radius 2. What is the largest area it can have and what are the dimensions Answers Area= 4 max base =2sqrt2 height = sqrt2 Help is always appreciated :)

use the formula for the area of a trapezoid A=h(b1+b2) where A is area , b1 and b2 are (-----) 2 the lenght of the bases and h is the height, to answer the qustion. How many square feet of grass are there on a trapezoidal field with a heigth of 75 ft and
80. ## math

A classroom measures 32ft long, 25ft wide, and 9ft high. The combined area of doors and window is 140 ft^2. What is the remaining area of the four walls of the room?
81. ## physics

The first graph you plotted is called a speed-time graph. However, information other than speed or time can be obtained from such graphs. (a) What does the area under the line of the graph represent? the distance traveled? (b) Write an equation to
82. ## Maths

A cuboid has total surface area of 40 meter squar and its lateral surface area is 26 meter squar .Find the area of its surface
83. ## geometry

Point P on the side AB od triangle ABC splits AB so that AP:BP=1:3. If M is the midpoint of CP, then the ratio of the area of triangle BPM to the area of triangle ABC is A)1/4 B)5/8 C)3/8 D)3/16 I know that the rule is if two triangles have cogruent
84. ## Math help another

Find the area of the composite figure. Square with missing top corner. 12in prarel to 10in top 14in bottom 20in. All of little boxes on the three showm corners. I did this. Find area of rectangle A= lxw 14 x 12 = 168 in. Find triangle area A = 1/2 x b xh
85. ## Area of circle.

The area of the circle is radius squared times 3.14. That gives you an area in square feet. The volume of the tank is that area times depth. That gives you a volume in cubic feet. Your comment about fish per ft makes no sense at all. Did you mean 2 fish
86. ## Geometry help

1. If a square has a radius of twelve, would its apothem be 6sqrt2? What will its area be? How would I solve it? 2. If triangle has a radius of 12, would its apothem be 7sqrt3? How would I find the area? 3. How would I find the area of a hexagon if it's
87. ## dma 040

Area of a certain state(state1) is five times the area of another state(state2). If the sum of their area is 6,000,000 square miles, find the are of each state state1 state2
88. ## Math

The perimeter of the square measures 16 cm. If 1 cm equals 10 feet what is the perimeter of the ground floor (in feet) of the building? A.10cm B.160cm C.16ft D.160ft D Lauren bought a used car. When she bought the car, the odometer read 4,851.6 miles.
89. ## Math

A bakery offers a small circular cake with a diameter of 8 inches. It also offers a large circular cake with a diameter of 24 inches. Does the top of the large cake have three times the area of that of the small cake? If not, how much greater is its area?
90. ## Math

Draw a polygon with area equal to 7.5 square units. Draw a triangle with a height of 3 and a base of 5. Since the area of a triangle is equal to (bh)/2 the area would be (3*5)/2 = 7.5 sq units
91. ## Pre calc- confused

Geometry/Maximum area: A rancher wants to enlarge an existing rectangular corral such that the total area of the new corral is 1.5 times that of the original corral. The current corral's dimensions are 250 feet by 160 feet. The rancher wants to increase
92. ## Biology

hello my teacher today during our Biology lesson said : Diffusion occurs more easily in smaller organisms because they have a bigger surface area than theie volume from inside But us humans , we have more problems id diffusing because we have a smalller
93. ## College Algebra

The campus of a college has plans to construct a rectangular parking lot on land bordered on one side by a highway. There are 720 feet of fencing available to fence the other three sides. Let x represent the length of each of the two parallel sides of
94. ## math

The volume enclosed by a sphere of radius r is (4/3)πr^3. The surface area of the same sphere is 4πr^2. You may already have noticed that the volume is exactly (1/3)r times the surface area. Explain why this relationship should be expected. One way is to
95. ## Math

I am doing a project, are my answers correct? 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape| S/A Formula|Volume Formula Cube | S.A=6s^2 | V=s^3 6/s Sphere|S.A+4 pi
96. ## Math

What is the total area of Europe? the land area is (1,000 mi squared) Europe land area is 3,800 so do I do it like thsi? 3800*1000 mi squared=3800000 mi squared? You have a problem here: 3800 what? Please completely rewrite the problem. Then repost it.
97. ## Elements of programming

Write a QBASIC program that calculates the area of a circle, a rectangle and a triangle. The program should allow the user to select the shape (C or c for circle, R or r for Rectangle, T or t for Triangle) whose area he or she wants calculated. It should
98. ## Math

Using 27 blue patches and some white patches to make a quilt.The quil has a total area 540 Square inches. Each patch has an area of 5 Square inches .How much how much of the area of the quilt is white
99. ## Math

Earth has a new surface of 1.97x10^8 square miles. A new planet has a surface area 13 times the surface area of Earth. What is the surface area of the new planet? Do I multiply 1.97x13 or do I multiply 13x10^8? that's what i'm confused about.
100. ## Math

In the summer of 2008 the population of cuckoos in an area was estimated as 560 pairs. If the numbers returning are declining at 4% each year, calculate (a) the number of pairs of cuckoos in the area in the summer of 2009; (b) the number of pairs of