If circle is 12 mm across how much is the circumference ?

1 Answer
DanT
May 15, 2018

The circumference is 37.7 mm.

Explanation:

To find the circumference of a circle, use the formula c=2pir or c=pid. If the circle is 12 mm across, that's the diameter d which is 12 mm.

Use c=pid:
c=pi*12mm
c=37.7mm

Related questions
Impact of this question
11825 views around the world
You can reuse this answer
Creative Commons License