25. Three semicircles are joinedto get the pattern as show in the figu – InterviewSolution

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1.	25. Three semicircles are joinedto get the pattern as show in the figurcO. P. Q are the centres of the semicircles, find the arca of shadedregion, if the diameter of thelargest simecircle is 28 cm.
Answer» if the diameter of large circle=28so radius is 141starea of large semi circle =1/2×pie×r×r1/2×22/7×14×14=3082edarea of two circle =2×1/2×pie×r×rr=14/2 =7area=2×1/2×22/7×7×7=154total area =area of large semi circle +area of two small semi circle=308+154=462

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