1.

The perimeter of a semicircle is 144 cm. Thenits area (in sq.cms) is (Here take π=22/7)1. 12262. 14163.11724. 1232​

Answer»

Step-by-step EXPLANATION:

πr+2r=144

r(π+2)=144

r(36/7)=144

r=144×7/36

r=28

area=πr^2/2

={22/7×28×28}/2

=1232



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