The volume of a cone-shaped hole is 16 pi ft cubed . If the hole is 3 ft deep, what is the radius of the hole?

V = 1/3 • π • radius cubed • height

If the volume is is 16π and the height is 3, then 16π = 1/3 • π • r cubed • 3

16π ÷ (1/3 • π • 3) = 16

radius squared = 16        √16 = 4, so radius = 4

You can also check: 1/3 • r cubed • 3 = 16    The only value left to multiply is π

Step-by-step explanation:

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