Question

The area of the circle is 35.5 cm2. Then circumference of the circle is?

Answer 1

Circle
Solve for circumference
C≈21.12cm
A Area
35.5
cm²
Using the formulas
A=πr2
C=2πr
Solving forC
C=2πA=2·π·35.5≈21.12123cm

Answer 2

Answer : C≈21.12cm

Step-by-step explanation:

Using the formulas

A=πr2

C=2πr

Solving for C

C=2πA=2·π·35.5≈21.12123cm