Solution
According to question :
2×(22/7)×r=22.
or,r=(7/2)=3.5.
So,Area of circle=$$πr^2$$
=$$(22/7)(3.5)^2$$.
=38.5 $$cm^2$$
So,Area of semicircle = (38.5/2)=19.25$$cm^2$$
B is correct choice.
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