Question

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Answer 1

Square Area=S²
81=S²
S=9cm

Perimeter of square =4*S
=4*9
=36cm

Now circumference =Perimeter of square
C=36cm
And semi circle=36/2=18cm

Semi circle formula =Pie*r
18=22/7*r
18*7/22=r
5.72=r

A=pie r²
=22/7*5.72*5.72
=102.82cm²

Answer 2

HEYA !!!

REFER TO THE ATTACHMENT

# GUDIYA

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