Question

C=4 pi

what is the area

Answer 1

Given that :

Circumference = 4π

=> 2πr = 4π

=> r = 2

Area = πr^2 = π(2)^2 = 4π

So, the area will be the same as circumference.

Answer 2

Circumference= 2pi r

Therefore Radius = 2

There area of the circle = pi r ^ 2

= pi 2^2

=4pi