Math, asked by palak29062002, 1 year ago

Plzz ans this question in simple way

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trishagupta: a tough question nd so less points.

Answers

Answered by shivam5027
2

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Answered by trishagupta
4
Area of semi-circle PQR = ½π(9/2)2

= 81π/8 cm2

Area of region circle, A = π(9/4)2

= 81π/16 cm2

Area of region (B + C) = π(3/2)2

= 9π/4 cm2

Area of region D = ½π(3/2)2

= 9π/8 cm2

Area of shaded region = Area of semicircle - Area of circle - Area of region (B + C) + Area of region D

= 81π/8 - 81π/16 - 9π/4 + 9π/8

= 63π/16 cm2

= 99/8 cm2 
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