Question

What is the area of a circle when radius is 154cm?

Answer 1

area if circle =πr²
= 22/7×154×154
= 74536 cm²

Answer 2

area of a circle =
$\pi {r}^{2}$
= 22/7 × 154 × 154
= 22 × 22× 154
= 74536 cm^2 ans.....