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The following three shapes are based only on squares, semicircles, and quarter circles. Find the perimeter and the area of each shaded part. Give your answer as a completely simplified exact value in terms of π (no approximations).

The following three shapes are based only on squares, semicircles, and quarter circles-example-1
User DRastislav
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1 Answer

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57cm

because you get to subtract

User Saccodd
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