The volume of a cone is 471.24 cubic inches and the height is 8 inches. What is the diameter

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22-02-2018
Mathematics

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The volume of a cone is 471.24 cubic inches and the height is 8 inches. What is the diameter

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jcherry99 jcherry99 · Answer 1 · 2018-02-27T03:15:08+01:00

jcherry99 jcherry99

27-02-2018

The volume of a cone is V = 1/3 pi r^2 h
h = 8
pi = 3.14
V =471.24
r = ???
d = ???

471.24 = 3.14 * 8 * r^2
471.24 = 25.12 * r^2
471.24 / 25.12 = r^2
18.76 = r^2
r = sqrt(18.76)
r = 4.312

The diameter is 2*4.312 = 4.624 in. <<<<<==== answer.

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