Question

Find the circumference of a circle if the area is 300 sq centimeters

Answer 1

The circumference C=2 pi r and area A=pi r^2
A=300 cm^2
300=pi r^2 we divide by pi
300/3.14=r^2
r^2=95.55
r=sqrt 95.55
r=9.77
C=2*3.14*9.77=61.36