01:09:23
What is the radius of this circle if the circumference is 18 cm?
0
3 cm
9 cm
18 cm
36 cm
![010923 What is the radius of this circle if the circumference is 18 cm 0 3 cm 9 cm 18 cm 36 cm class=](https://us-static.z-dn.net/files/d31/6bb3ad95fa93816e90174742e03fd757.png)