Question

The volume of a right cone is 216π units. If its height is 18 units, find its radius.

Answer 1

• 6 units

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Use the formula for the volume of a cone:

• V = (1/3)πr²h

Given:

• V = 216π, h = 18

Substitute given values and solve for r:

• 216π = (1/3)πr²(18)
• 216 = 6r²
• 36 = r²
• r = 6