the volume of a right circular cone of height 9 cm is 75pi cm cube. find the diameter of its base
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· The volume of a right circular cone of height 9 cm is 75pi cm cube. find the diameter of its base - 20046062.
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volume of cone = 1/3 X π r^2 X h
75π = 1/3 * π r^2* 9
75π = π r^2 *3
75π / 3π = r^2
25 = r^2
r = √25
r = 5 cm
therefore radius is 5 cm .
d = 2r
d = 2*5
d = 10 cm
therefore diameter is 10 cm .
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