A playground has the shape of a rectangle, with two semi-circles on its smaller sides as diameters, added to its outside. If the sides of the rectangle are 36 m and 20 m, find the area of the playground.
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Area of playground=area of rectangle+2× area of semi circle
=(36×24.5)+2×21×πr2
=882+722×12.25×12.25
=1353.625m2
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