What is the volume of a right circular cone of radius 6 cm and height 8 cm?
A. \(60\pi\) cm³
B. \(96\pi\) cm³
C. \(120\pi\) cm³
D. \(288\pi\) cm³
A. \(60\pi\) cm³
B. \(96\pi\) cm³
C. \(120\pi\) cm³
D. \(288\pi\) cm³
Best answer
Answer: B. \(96\pi\) cm³
Answer: (B) \(96\pi\) cm³
V = \(\frac{1}{3}\pi r^2 h = \frac{1}{3} \times \pi \times 36 \times 8 = 96\pi\) cm³.
Trap: \(288\pi\) forgets the \(\frac{1}{3}\); \(60\pi\) is the curved surface area (slant height 10).
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