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nadezda [96]
3 years ago
6

A 9cm wife cross section pipe has a height of 13cm . What is the volume of the pipe

Mathematics
1 answer:
rjkz [21]3 years ago
7 0
I think you meant "wide." :) Since it is a pipe, you should know that it is the shape of a cylinder. Therefore, the formula would be: πr^2h. Substitute the height for h. (π(4.5)^2(13). Since it's 9 cm wide total, divide it by 2 to get the radius (part of formula), which is 4.5 So multiply π times 4.5^2 (which equals 20.25) times 13. This all will equal 826.605. You can simplify this decimal to 827. Therefore, the volume is 827 cm^3.
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