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A cylinder has a height of 30 ft and a volume of 63,679 ft³. What is the radius of the cylinder? Round your answer to the nearest whole number.
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A cylinder has a height of 30 ft and a volume of 63,679 ft³.

What is the radius of the cylinder?

Round your answer to the nearest whole number.

User Danny Lin
by
8.1k points

1 Answer

1 vote
V = pi * r^2 * h
63,679 = 3.14 * r^2 * 30
63,679 = 94.2 r^2
divide both sides by 94.2
676 = r^2
take the square root of each side
r = 26 ft

CHECK
V = 3.14 * 26^2 * 30
V = 3.14 * 676 * 30
V = 63,679


User Lyndon
by
7.6k points
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