20%, because if 65 is 100, then 52 is 80% out of 65; so 100 - 80 is 20
I would check my math but 4/3 = 1.3 x 18= 24 divided by 2 for radius would be 12x12=144 x pie or 3.14 would be 452.16
Answer: well the thing is 12, i have no idea how to do it though. sorry
Step-by-step explanation:
