Problem
The circle shown has a radius of 12 mm. What is the circumference of the circle
Solution
For this case we know that the radius of the circle would be r= 12 mm
The circumference would be given by this formula:
[tex]C=2\pi r[/tex]And replacing we got:
C= 2pi *(12mm) = 24 pi mm = 75.40 mm
