Question

Find the area of a circle with a diameter of 4.

Answer 1

area of circle =22/7×4=12.56

Answer 2

Answer: 12.56

Explanation:

Find area of a circle:

Form: A = pi x d^2/4
d = 4 (given)
Pi = 3.14

=> A =3.14 x 4^2/4
A = 3.14 x 4
A = 12.56