Question

What is the circumference of a round circle with an area of 100cm2?

Answer 1

Area = πr² = 100

r² = 100/3.14

r = √31.84

r = 5.64

Now, C = 2πr

C = 2 * 3.14 * 5.64

C = 35.44  cm

In short, Your Final Answer would be: 35.44 cm

Hope this helps!