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in order to increase the circumference of a circle from 12 pi cm to 18 pi cm by how much must the diameter increase?
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in order to increase the circumference of a circle from 12 pi cm to 18 pi cm by how much must the diameter increase?

User HoloLady
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1 Answer

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Circumference = diameter x PI

To increase from 12 to 18 subtract:

18-12 = 6

The diaeter needs to increase by 6 cm

User Kmuenkel
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