Q)In the given figure there 3 semicircles A,B,C having diameter 3cm each and another semicircle E having a circle D with diameter 4.5cm are shown. Calculate i)area of shaded region,ii)the cost of the painting the shaded region at the rate of Rs0.25 percm^2,to the nearest rupee.

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Chaitanya Kulkarni
Feb. 4, 2018, 12:10 p.m.