Question

Area of a circle with the radius of 7 cm

Answer 1

$area \: of \: circle = \pi {r}^{2} \\ area = \pi {7}^{2} = 22 \times 7 = 154 {cm}^{2}$

Answer 2

$given \: radius \: = 7 \: cm \\ therefore \: area = \pi \: {r}^{2} \\ = \pi \: {7}^{2} = 154 \: {cm}^{2}$