Question

1) If radius of a circle is 21 cm then find its area.​

Answer 1

area of circle = πr²

= 22/7×21×21

= 1386 cm² ....ans.

Answer 2

Answer:

1384.74

Step-by-step explanation:

Area of circle is

$\pi{r}^{2}$

Then ans is1384.74 cm sq