Question

MEDAL & FAN ANYBODY ?
If a cone has a volume of 18π cubic feet, and the height is 4 feet, what is the radius?
A. square root 9.5 ft
B. square root 11.5 ft
C. square root 13.5 ft
D. square root 15.5 ft

Answer 1

V = pi*r^2 *(h/3)

\[r = \sqrt{3*\frac{ v }{ \pi*h }}\]

Answer 2

Put in 18pi for v and 4 for h and you get 3.67

Answer 3

or the square root of 13.5