Question

(i) Find the area of a circle of radius 21 CM. (Take r = 22/7)​

Answer 1

Answer:

$1386 {cm}^{2}$

Step-by-step explanation:

Area of circle = πr^2

$\frac{22}{7} \times 21 \times 21 \\ 1386 {cm}^{2} \\ 0.1386 {m}^{2}$