R = _/A/4pi. where that sign before A is square root and pi means pie
Answer:
C. 216°
Step-by-step explanation:
I calculated it logically
Answer:
3
Step-by-step explanation:
Volume of a cone
V = pi x r^2 x h/3
So plug in the values we have
30pi = pi x r^2 x 10/3
30 = r^2 10/3
9 = r^2
3 = r