Tutors Answer Your Questions about Surface-area (FREE)
Question 878998: Cindy is painting a rectangular prism. The width is 6 inches ,the height is 5 inches and the length is 7inches . What is the surface area of the rrectangular prism?
A)107 square inches
B)214 square inches
C)210 square inches
D)154 square inches
Click here to see answer by jim_thompson5910(35256) |
Question 879536: Hi there,
I am a contractor and trying to figure what the square footage is of a concrete bowl. Basically trying to figure out how much I need to mix.
The bowl measures 26" around is 17" high and has a thickness of 1"
Thanks
Click here to see answer by Alan3354(69443)  |
Question 879877: 1. The surface area of two similar cylinders are 879 cm2 and 220 cm2. If the volume of the smaller cylinder is 314 cm3, find the volume of the larger cylinder.
I first divided 879/220 and got 3.995 which I rounded to 4
I know 4 = 2^2 so my scale factor is 2
Click here to see answer by josgarithmetic(39617) |
Question 880436: a bucket full of water is in the form of a frustum of a cone the bottom and top radii of the frustum are 18 cm and 28 cm respectively and the vertical dept is 30 cm. if the water in the bucket is then poured into an empty cylindrical container with base radius 20 cm, find the depth of the water in the container. take pie to be 22\7
Click here to see answer by josgarithmetic(39617) |
Question 882262: Trying to help my son figure out surface area of a cylinder.
What is the surface area if the radius is 4 ft. and the height is 21 ft.
Do you do as follows:
2(3.14)(8)+ 2(3.14)(4)(21) = 577.76.
Not sure that is correct. Where are we going wrong?
Tx for your help!!!! Final tomorrow :)
Click here to see answer by josgarithmetic(39617) |
Question 882262: Trying to help my son figure out surface area of a cylinder.
What is the surface area if the radius is 4 ft. and the height is 21 ft.
Do you do as follows:
2(3.14)(8)+ 2(3.14)(4)(21) = 577.76.
Not sure that is correct. Where are we going wrong?
Tx for your help!!!! Final tomorrow :)
Click here to see answer by jim_thompson5910(35256) |
Question 883980: Hey,
I am having trouble with this question…any ideas? -Thanks
The width of a rectangular walkway is 12 ft less than half the length. Determine the dimensions of the walkway if the area is 1080 square ft2.
1. If w represents the width of the rectangle, then Let ______ represent the length of the rectangle.
2. Write an equation that would represent this problem.
3. The length is ____ meters.
4. The width is ____ meters
Click here to see answer by lwsshak3(11628) |
Question 883980: Hey,
I am having trouble with this question…any ideas? -Thanks
The width of a rectangular walkway is 12 ft less than half the length. Determine the dimensions of the walkway if the area is 1080 square ft2.
1. If w represents the width of the rectangle, then Let ______ represent the length of the rectangle.
2. Write an equation that would represent this problem.
3. The length is ____ meters.
4. The width is ____ meters
Click here to see answer by MathTherapy(10552)  |
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