Help please?

A circular gold fish pool is surrounded by a side-walk. The circumference of the outside of the side-walk is 43.98 feet, and the circumference of the inside of the sidewalk is 31.42 feet. What is the width of the sidewalk?

Question

Help please?

A circular gold fish pool is surrounded by a side-walk. The circumference of the outside of the side-walk is 43.98 feet, and the circumference of the inside of the sidewalk is 31.42 feet. What is the width of the sidewalk?

anonymous · Answer

O.O

anonymous · Answer

Find out the inner and the outer radius. The difference will give you the width of the sidewalk.

anonymous · Answer

whats the formula for finding radius?

anonymous · Answer

I can't use the equation editor.

Circumference, C = 2*pi*r (where r = radius, pi = 3.14). You know the circumference, solve for "r"

anonymous · Answer

thank you :)