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PLEASE HELP I GIVE A DECENT AMOUNT OF POINTS !!The circumference of the outside of a ring is 66 mm, and it has an outer diameter of 21 mm. If the circumference of the inside of the ring is 50 mm, what is the inner diameter of the ring?

Plz show how you got your answer. Fake answers will be reported and shown to administators

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Answer

I gotchu. The answer I got is 15.9235 or 16

Step-by-step explanation:

So the formula for circumference is Pi times diameter. (If I remember right) Now we can flip this equation to become Circumference divided by pi. This will give us our answer. I dunno if you have to round so here are my two answers.

16 (rounded) or  15.9235 :)

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