Question

The area of a circle is 4​ square centimeters. What is the circumference?

Answer 1

Answer: C = 4√π cm

Step-by-step explanation:

A = πR²

R = √(A/π)

C = 2Rπ

C = 2√(A/π)π

C = 2√(4/π)π

C = 4√π cm ≈ 7.0898 cm

Answer 2

7.088

Step 1) get r from area= pi *r^2

2) found the centimeters