Question

if the radius of a circle is 21 cm , then the area of the circle is

Answer 1

Answer:

42 I guess

hope it helps you

Answer 2

Answer:

Area of the circle is 1386cm^2

Step-by-step explanation:

Are of the circle

$\pi \: r ^{2}$

= 22/7 ×21×21 cm^2

= 22×3×21 cm^2

= 66×21 cm^2

= 1386 cm^2