Question

find the area of radius-14

Answer 1

Area = Pi r sqare
= 22/7 * 14 * 14
=44 * 14
=616 unit square

Answer 2

$area \: of \: circle = \pi \: r {}^{2} \\ 22 \div 7 \times 14 \times 14 \\ 44 \times 14 \\ = 616 \: unitsquare$