Question 185887
Area = pir^2, where pi = 3.14 and r = radius.

A = pir^2

A = pi(4)^2

A = 16pi....This is the exact answer for the area of this circle.

If you want the approximate area answer, you must use 3.14 for pi.

A = 3.14 times 16

A = 50.24cm^2

Feliz