Thread: Overlapping circles question

I'm more interested in the method than the answer. Thanks for the help everyone

"Suppose you have two identical circles that overlap such that the center point of one circle is on the edge of the other circle. If the overlapping area is exactly 20000 square centimetres, what is the radius of the circles?"

read this for hints:

http://www.mathhelpforum.com/math-he...n-circles.html

Advisory: This is the newest Neopets Lenny Conundrum contest question.