Question

If the area of a semicircle 308and find its radius

Answer 1

$area \: of \: semicircle = \pi \: r {}^{2} \div 2 \\ 308 \times 2 \times 7 \div 22 = r ^{2} \\ r { }^{2} = 196 \\ r = 14$
here is your answer buddy