V = pi r^2 * h
V = pi * 9 * 6
V = 54 pi in^3
Answer:
261/20
Step-by-step explanation:
=54/5+(35/4-13/2)
= 54/5+9/4
=261/20
You can use calculator. It's easier.
I won't skup.
We have an eight of a circle has area 9π sq in, so the total circle has area
πr² = 8(9π) = 72π
r² = 72 = 2(36)
r = 6√2 ≈ 8.485281374238571
Answer: A. 8.48 inches
