(Q12)Find the area of the shaded region in figure, if ABCD is a square of side 7 cm. and APD and BPC are semicircles. (use π)

Given , ABCD is a square of side 7 cm

Area of the shaded region = Area of ABCD - Area of two semicircles with radius
2
= cm

APD and BPC are semicircles

= 7×-2×
1
2
×
22
7
××

= - .5

= .5 cm2

Area of shaded region = .5 cm