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help, i know the perimeter is 8pi: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).

help, i know the perimeter is 8pi:The following three shapes are based only on squares-example-1
User Dtc
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Consider, pls, this option (step and picture are marked with the same number).
help, i know the perimeter is 8pi:The following three shapes are based only on squares-example-1
User Daniel Dietrich
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