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The circumference of a coin is 20π cm what is the radius? what is the diameter?
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The circumference of a coin is 20π cm what is the radius? what is the diameter?

User Jonatan Dragon
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1 Answer

4 votes
Circumference of a coin = 2πr
Given circumference = 20π cm
⇒ 2πr = 20π
⇒ r = 10 cm
Therefore, diameter = 20 cm.

User Hamedo Esk
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