3 years ago

Find the diameter of a cone that has a volume of 83.74 cubic inches and a height of 5 inches. Use 3.14 for pi.

Mathematics

2 answers:

Olenka [21]3 years ago

6 0

Just took the test it's 8inches so it's (C)

Agata [3.3K]3 years ago

5 0

Volume of cube = 1/3 * pi * r^2 * h
83.74 = 1/3 x 3.14 x r^2 x 5 = 5.233r^2
r^2 = 83.74/5.233 = 16
r = sqrt(16) = 4

Therefore, d = 2(4) = 8 inches.

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