Question

The area of circleis 98.56 cm2 find its circumference

Answer 1

Solution:-

given by:-

arear of circlesis = 98.56

=
$\pi {r}^{2} = 98.56 \\ r = \sqrt{ \frac{98.56}{ \frac{22}{7} } } = \sqrt{31.36} \\ circumference \: = 2\pi \: r \\ 2\pi \sqrt{31.36} cm$