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In the given figure, AB, AE, EF, FG and GB are semi circles. If AB= 56cm, AE = EF = FG = GB then What is the area (in `cm^2`) of the shaded region?
दी गई आकृति में, AB, AE, EF, FG तथा GB अर्धवृत्त है। AB = 56 सेमी. तथा AE = EF = FG-= GB है। छायांकित भाग का क्षेत्रफल (`सेमी.^2` में) क्या हैं?

A

414.46

B

382.82

C

406.48

D

394.24

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