The circular portions of the following figures are semicircle. For each of the following figures, find
a) its perimeter
b) its area
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parameter of the figure we must find out parameter of semi circle and parameter of of rectangle that is present inside is Semi circle
then at both parameters and we find out the whole perimeter of the figure
perimeter of 2 semicircle=2(πd/2)
=3.14*21
=66m
perimeter of rectangle=2(L+b)
=2*(21+15)
=72m
total parameter of the figure is 66+72
=138m
further question is in picture
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