• Dec 23rd 2008, 12:26 AM
xwrathbringerx
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.
• Dec 23rd 2008, 12:38 AM
kalagota
Quote:

Originally Posted by xwrathbringerx
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.

i wonder how..
first, each circle has radius equal to 5 cm.. the centers form the "vertices" of an "equilateral triangle" with side length equal to 10cm..

lets take 2 circles, if their centers form a segment equal to 10 cm, then the circles must be tangent to each other... take a look at it..