Hi

Three circles drawn with radius length 5 cm. Their centres are at the vertices of an equilateral triangle whose sides are of length 10 cm. Calculate the area between the circles.

This is how I depict the question:

http://www.mathhelpforum.com/math-he...-untitled1.bmp

Could someone please show me how to do this question? The answer's supposed to be 4.025 cm2.