you find the are od sjka
http://wiki.answers.com/Q/Find+the+area+of+unshade...

1. Decide whether or not the shaded region is a square, rectangle, or triangle. If it is a square, use the formula side * side = area. If it is a triangle, use the formula 1/2 base
http://www.ehow.com/how_2311589_calculateareasha...

The shaded area of a circle has the formula: Area =
http://www.chacha.com/question/whatistheformula...

if the square is inscribed in the circle. then the diameter of the circle is the diagonal of the square. . . diagonal = 2√2. thus the radius of the circle = √2. area of
http://answers.yahoo.com/question/index?qid=200808...
