Question

find the area of the circle of radius 5cm ​

Answer 1

$area \: of \: circle = \pi \: {r}^{2} \\ \\ = \ \frac{22}{7} \times 5 \times 5 \\ = \frac{550}{7} = 78.5{cm}^{2}$

Answer 2

$area \: of \: circle \: = \: \pi {}^{2}$