Mathematics, 26.01.2021 03:20 anishivaturi123

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?

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The circumference of the outside of a ring is 66 mm, and it has an outer diameter of 21 mm. If the c...

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