Question

Find the circumference of a circle if the area of the circle is 256 π in².

Answer 1

32π in

= 100.48 in.

Explanation:

From Area:

radius, r = √(A/π)

= √(256 π in²/π)

= 16 in

where π = 3.14

》 Circumference = 2π(r)

= 2π(16)

= 32π in.

= 100.48 in