alleryA cone with radius 7 cm has volume 154 cm³ (pi = 22/7). What is its height?
A6 cm
B1 cm
C9 cm
D3 cm
Answer & Solution
Correct answer: D. 3 cm
From (1/3)(22/7)(49)h = 154 we get (154/3)h = 154, so h = 3 cm.
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