Question

What's the volume of a cone with the base of 14ft?

Answer 1

Answer:

$volume = \frac{1}{3} \pi {r}^{2} h \\ but \: h = 7 \tan(50 \degree) \\ h = 8.34 \: ft \\ volume = \frac{1}{3} \times 3.146 \times {(7)}^{2} \times 8.34 \\ volume = 428.55 \: cubic \: ft$