Question

If the area of a circle is 114 cm2, what is its circumference?

Answer 1

Answer: ≈ 18.91 cm

Explanation:

r²= 114 ÷ pi/3.14 = 5700/157

r = √r²

≈ 6.025

Circumference = r × pi/3.14

≈ 18,91 cm