Find the circumference of circle with a radius of 63mm. Use 22/7 for pi

396

Step-by-step explanation:

circumference of a circle is 2 x pi x r = 2 x 63 x (22/7) = 396

The circumference of a circle with a radius of 63 is 396.

1. Use PEMDAS to do the problem in the right order, put like terms together
2. When you plug the value you got back into the equation, you can make sure you found the right value. Construction workers would need to do the inverse to make sure they have the right measurements for the walls