In the given figure PQ amd RS are two perpendicular diameters of the circle with centre O . if OP =28cm find the area of shaded region
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area of triangle spr=1/2×28×56
area of triangle=784cm²
area of half circle=1/2×22/7×28×28
=22/14×784cm²
=56×22cm²
=1232cm²
area of shaded region=1232-784cm²
=448cm²
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