find the circumference of a circle with a radius of 9, that's what it is asking, but I don't understand it, so can you help me?
2 answers:
The formula for getting the circumference of a circle is 
where 'r' is the radius. Just plug in the value for the radius.
We will also use 3.14 for PI.
C = 56.52
Hope this helps!
Step-by-step explanation:
circumference of circle (c) = 2πr
= 2. 22/7 . 9cm
= 396cm/7
= 56.57cm
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