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11 votes
A cylinder has a diameter of 10 inches and a height four times its radius. What is its volume?

User Adam Michalski
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1 Answer

18 votes
18 votes

Answer:

1570.8 in ^3

Explanation:

The radius of a circle is simply half the diameter so the radius is 5.

10/2=5

Therefore, the height is 20

4x5=20

The formula for the volume of a cylinder is πr^2h

π = π

r= radius

h=height

so π(5)^2(20) = 1570.796327 in ^3

for sig figs, 1570.8 in ^3

hope this helps :)

User Benjamin Merchin
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3.0k points