plss solve ques 27 step wise!!
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given side of square is 20cm
diameter of semicircle is 20cm
so radius of semicircle is 10cm
area of shaded region = 4(area of semicircle) - area of square
= 4(πr²/2) - s²
= 4(π×100/2) - 20²
= 200×3.14 - 400
= 628 - 400
= 228 sq.cm
diameter of semicircle is 20cm
so radius of semicircle is 10cm
area of shaded region = 4(area of semicircle) - area of square
= 4(πr²/2) - s²
= 4(π×100/2) - 20²
= 200×3.14 - 400
= 628 - 400
= 228 sq.cm
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