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Please help 25 points

Please Help 25 Points class=

Sagot :

Formula for area of a circle: area = pi r^2

Area of one small circle = pi x 3 ^2 = 9pi

There are two small circles so area is 2 x 9 pi = 18pi

Area of large circle = pi x 12^2 = 144pi

Area of shaded Reston is area of large circle - area of the two small circles:

144pi - 18 pi = 126pi sq.in.