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Find the area of the shaded region in fi...

Find the area of the shaded region in fig if radii of the two concentric circles with centre O are 7 cm and 14 cm respectively and `lfloorAOC=40^(@)`
OR
Find the area of the shaded region in fig. if ABCD is a square of side 14 cm and APD and BPC are semi circles.

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The correct Answer is:
`51.33` sq. cms
OR
`42` sq. cms.
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