Question

If you know the radius, r, of a circle, what do you multiply r by to get the circle's circumference?

Answer 1

Answer:

If we know the radius, r, of a circle, we would multiply r by 2π to get the circle's circumference.

Answer 2

Answer:

2π

Step-by-step explanation:

2π because to find the circumference of a circle you need to take 2π and times it by r.

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