A solid metallic sphere of radius 6 cm is melted and recast into a cone whose base radius is 6 cm. What is the height of the cone?
A. 18 cm
B. 8 cm
C. 24 cm
D. 12 cm
A. 18 cm
B. 8 cm
C. 24 cm
D. 12 cm
Best answer
Answer: C. 24 cm
Answer: (C) 24 cm
Volumes are equal: \(\frac{4}{3}\pi (6)^3 = \frac{1}{3}\pi (6)^2 h \Rightarrow h = \frac{4 \times 216}{36} = 24\) cm.
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