SOLUTION: cylinder has a volume of 12 pi) cubic cm. it has a height of 6.8 cm. what is the length of its diameter. Round to the nearest tenth.

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Question 948842: cylinder has a volume of 12 pi) cubic cm. it has a height of 6.8 cm. what is the length of its diameter. Round to the nearest tenth.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For a cylinder,
V=pi%2AR%5E2%2AL
12pi=pi%2AR%5E2%2A%2868%2F10%29
R%5E2=120%2F68
R%5E2=30%2F17
R=sqrt%2830%2F17%29=sqrt%28510%29%2F17
D=2R
D=%282%2F17%29sqrt%28510%29
D=2.7cm