The top of a manhole cover is shaped like a circle. The area of the manhole cover is 380 square inches. What is the circumferenc
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
The volume of a sphere is
We are told our volume is 500pi/3, so we fill that in and solve for r:
Start by multiplying both sides by 3 over 4 pi:
Simplifying gives us
Take the cubed root of both sides to get that
r = 5