111. PQRS is a diameter of a circle of radius 6 cmThe lengths PQ, QR a – InterviewSolution

1.	111. PQRS is a diameter of a circle of radius 6 cmThe lengths PQ, QR and RS are equal.Semicircles are drawn onPQ and QS as diametersas shown in the givenfigure. Find the Pperimeter of the shadedregion. Also find the areaof the shaded region.Q R
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