Questions on Geometry: Area and Surface Area answered by real tutors!

Tutors Answer Your Questions about Surface-area (FREE)

Question 187030: What is the area of a hexagon with an apothem of 6 and no number is given for length of side?
Click here to see answer by feliz1965(151)

Question 187460: A rhombus has a perimeter of 80 meters and the length of one diagonal is 24 meters. Find the area of the rhombus.
Click here to see answer by jojo14344(1513)

Question 187463: Hello, I'm really struggling on volume and surface area. I have a word problem I have to solve in a worksheet and I'm having trouble. Anyways, the problem is stated exactly as follows: "Prism A and prism B are similar with a ratio of 2:3. If the volume of prism A is 36 cubic units, what is the volume of prism B?
If the surface area of prism A is 90 square units, what is the surface area of prism B?" Thanks.
Click here to see answer by scott8148(6628)

Question 187461: Hi, I'm in geometry and I'm struggling with volume and surface area. I have a worksheet with word problems, which are not my forte. Anyways, the problem is stated exactly as follows: "At Cakes R Us, it is possible to buy round cakes in different sizes. The smallest cake has a diameter of 8 inches and height of 4 inches and requires 3 cups of batter. Another similar round cake has a diameter of 13 inches. How much batter would this cake require?" By the way, this problem is not in my book. It's on a worksheet my teacher gave me. Thanks so much.
Click here to see answer by ankor@dixie-net.com(22740)

Question 187735: The radius of the circle x^2+y^2-2x-2y+2=0
Thanks for the big help.. Kindly put the solution..
Click here to see answer by nerdybill(7384)

Question 187747: Hi so in my problem, I have two shapes: a square and a rectangle. The square's dimensions are 5r and 5r. The rectangle's dimensions are 10r and 5r. For the square, I'm asked to find the area. Would the area for the square be 5r units squared or 25r units squared. And for the rectangle, would the answer be 50r units squared?
Click here to see answer by mgmoeab(37)

Question 188033: There is a diagram with a square inside a circle. The circle is shaded in, but the square isnt. You have to find the area of the shaded region. The only information given is that the square has a base and a height of 4. How do you do that?
Click here to see answer by Alan3354(69443)

Question 188030: Find the area of the polygon with vertices A(-3,0), B(3,4), C(5,1), and D(-1,-3)
Its on a coordinate plane.
Click here to see answer by Alan3354(69443)

Question 188042: If the volume of a sphere is 500pi/3 m^3, what is the diameter of the sphere

Click here to see answer by Earlsdon(6294)

Question 188409: solve each of the following systems of equations graphically if possible. indicate whether the system has a unique solution, infinitle many solutions or no solution.
3y= x-10
y= x-2

x+y=5
3x+3y= 15
Click here to see answer by Alan3354(69443)

Question 188768: (How do you find the surface area of a special rectangular box?)
S= 4lw + 2wh (S = 102, L = 7, w = 3)
In this problem, they want you to solve for unknown variable(H)?
Click here to see answer by stanbon(75887)

Question 188898: Find the surface area of a conical storage stank that has a height of 30 meters a diameter of 20 meters and a slant height 32 meters.
Click here to see answer by Mathtut(3670)

Question 189317:
114.) Diameter of a circle. If the diameter of a circle is
1.3 *10^12 meters, then what is its radius?

Click here to see answer by Alan3354(69443)

Question 189322: 88). Perimeter of a rectangle. The perimeter of a rectangular
backyard is 6x + 6 yards. If the width is x yards, find a
binomial that represents the length.

Click here to see answer by nerdybill(7384)

Question 189318:
94). Perimeter of a rectangle. The width of a rectangular playground
is 2x - 5 feet, and the length is 3x+9 feet. Write a
polynomial P(x) that represents the perimeter and then
evaluate this perimeter polynomial if x is 4 feet.

Click here to see answer by checkley75(3666)

Question 189946: How do we solve the surface area of a polygon prism?
Click here to see answer by solver91311(24713)

Question 189961: Box "A" has a length of 8 in., width of 8 in., and height of 8 in. What is the surface area of the box?
Click here to see answer by jojo14344(1513)

Question 189870: Please help me solve the missing base of a trapezoid.
The area is 780cm.The height is 8.The shorter base is 48 cm.

Also,help me find the height of a triangle with area 85 1/3 ft. and base is 10 2/3 ft.

THANKS!.
Click here to see answer by schrammbledeggs(41)

Question 190226: Please Please help me! This one question will help me to answer another problem.
A box measuring 2 in by 3 in. by 3 in. is packed inside a gift box that is a 4 in. cube. How much space is left inside for packing material?
Click here to see answer by nerdybill(7384)

Question 190393: If you have a hottub that has a width of 5 and a length of 6 feet long. A walk way surrounds the hot tub. Find the area of the walkway.
A. 30 square feet

B. 65 Square feet
C. 102 Square feet
D. 132 square feet
Click here to see answer by jojo14344(1513)

Question 190605: Find the ratio of the area of a rectangle whose length is three times its width to the area of an isosceles right triangle whose LEGS are each equal to the width of the rectangle. Must draw diagram and show work.
Click here to see answer by solver91311(24713)

Question 190886: Estimate the area under the curve.
y=-x^2+3x+2
0 is less than or equal to x is less than or equal to 4
Use four partitions.
Click here to see answer by Alan3354(69443)

Question 191137: Find the surface area of this figure:
Cube.
Length-4
Width-4
Height-2.
Please Help!!!!
Click here to see answer by checkley75(3666)

Question 191162: Tony and Edwin each built a rectangular garden. Tony's garden is twice as long and twice as wide as Edwin's garden. If the area of Edwin's garden is 600 square feet, what is the area of Tony's garden?
Click here to see answer by ankor@dixie-net.com(22740)

Question 191255: I don't understand the whole area thing. Can someone please help? I'd appreciate it. Question. Tell whether you think each of the following statements is true or false. Indicate your reasoning. area of EPHD = area of GBFP.
Click here to see answer by Mathtut(3670)

Question 191354: Can you explain how to get the surface area of a sqaure?

Click here to see answer by solver91311(24713)

Question 191373: find the radius of a cicle whose circumference is 12 cm.
Click here to see answer by Mathtut(3670)

Question 192003: if i am enlargeing a birthday candle by 5 times its size, and the diameter is 1/4 in and the height is 2 1/2 inches how do i find the volume?

Click here to see answer by Alan3354(69443)

Question 192071: A farmer has 336 running feet of fence and wishes to form a rectangular pasture. One side of the pasture will be bounded by a very long wall, and so no fencing material will be needed for that side of the pasture. What should the dimensions of the pasture be if the area of the pasture is to be largest possible?

Could you please provide a detailed explanation of how you work the problem to find the solution. Thanks!

Click here to see answer by nerdybill(7384)

Question 192257: what is the surface area of a cube with sides the length of 4ft

Click here to see answer by Mathtut(3670)

Question 192424: This is a practice problem for my daughter's upcoming state tests. We have a rectangular box measuring 12in. length, 8in. width and 3in. high. We calculated the volume to be 288 m3, and the surface area to be 312 m2. They are asking for us to find the dimensions of a box that has the same volume, but less surface area. How does she do this?
Thanks, Leslie
Click here to see answer by stanbon(75887)

Question 192636: how would i figure out this word problem : Erika read 90 pages in 2 1/2 hours. At the same time, how many hours would it take her to read 225 pages?
Click here to see answer by jojo14344(1513)

Question 193071: Hi, my class just started studying pyramids and I need help on a problem. I'm really terrible at geometry and we don't take notes in our class and would really appreciate some help! This is how the problem is worded exactly in my book: "The TransAmerica building in San Francisco is built of concrete and is shaped like a square-based pyramid. The building is periodically power-washed using one gallon of cleaning solution for every 250 square meters of surface, As the new building manager, you need to order the cleaning supplies for this large task. The problem is that you do not know the height of each triangular face of the building; you only know the vertical height of the building from the base to the top vertex."
"Your Task: Determine the amount of cleaning solution needed to wash the TransAmerica building if an edge of the square base is 96 meters and the height of the building is 220 meters. Include a sketch in your solution."
I have the answers from another website, but it doesn't show how to get them. I've tried to get the solutions, but have no idea what process I must got through. The answers are as follows:
Surface Area≈43,234 square meters. This does not include the area of the base, which is 9, 216 square meters. Therefore, ≈173 gallons of cleaning solution are needed.
Click here to see answer by Earlsdon(6294)

Question 193341: The area of a rectangle is twice the area of a square. If the length of a rectangle is 10 inches, and if the width of the rectangle is the same as the length of a side of the square, find the dimensions of both the rectangle and the square. (Hint, draw a picture of both the rectangle and the square.)
This is not from a book, it is a question from a math review that I can not figure out how to answer and the book we have does not help at all.
Thank you very much.
Click here to see answer by RAY100(1637)

Question 193354: what is the area of a regular hexagon with a perimeter of 90 centimeters
Click here to see answer by RAY100(1637)

Question 193719: a circle has a diameter of 4'3 9/16" what is the area of the circle in square inches? what is the area in square feet?
a=pie(don't know where sign is on computer) a = pie x r2
r2= 51.5625 r = 25.78125in2 pie x 25.78125 in2 = 2087.07in2
so area of circle in2 = 2807.07in2?
area of circle in square feet = 28.9870ft2?
hope you can understand that! Thanks alot Tammy
Click here to see answer by stanbon(75887)

Question 194000: Tow objects with volumes of 54cm3 and 108cm3. Find the ratio of the surface areas.
All of the problems that we have had in the past have a whole number as an answer. When I tried to solve this one I get 3.77976 for 54cm3 and 4.76220 for 108cm3. How do I convert it to a fraction or is there a step that I am missing?
Click here to see answer by Alan3354(69443)

Question 194004: A "board foot" is a piece of lumber that measures 1 ft by 1 ft by 1 in. How many board feet are in a board that measures 8 in by 3/4 in by 10 ft?
Click here to see answer by vleith(2983)

Question 194005: The area of the United States is about 3,600,000 square miles. What percent of the Earth's surface is the area of the USA? The radius of the Earth is about 3950 miles on average. Rond answer to the nearest tenth.
Click here to see answer by checkley77(12844)

Question 194068: How does doubling the height of a cylinder affect the volume?
Click here to see answer by Alan3354(69443)

Question 194066: If the edges of the cube are tripled, what happens to the surface area? What happens to the volume?
Click here to see answer by Alan3354(69443)

Question 194064: A sphere of radius r is inscribed in a cube. What is the ratio of the volume of the sphere to the volume of the cube?
Click here to see answer by Alan3354(69443)

Question 194484: I am completely lost on solving this question. Please help.
Find the unknown length, width, or height of the rectangular prism.
V=120m^3, l=4m, w=_____, h=5m
Click here to see answer by jim_thompson5910(35256)

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