PieFree Circles

 

The Problem:

 A square is inscribed in a circle of radius 4 cm.

A semi-circle is drawn with centre halfway along one of the sides of the square, and radius to pass through the centre of the original circle. 

Find the area of the crescent that protrudes beyond the first circle ( shown shaded ).

Open the File as a Word Document

 

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Last modified: June 18, 2007