SOLUTION: The circumference of a coin is 10piπ cm. What is the​ radius? What is the​ diameter?

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Question 1089369: The circumference of a coin is 10piπ cm. What is the​ radius? What is the​ diameter?
Answer by ikleyn(52770) About Me  (Show Source):
You can put this solution on YOUR website!
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Circumference = 2%2Api%2Aradius  ====>

radius = circumference%2F%282%2Api%29 = 10pi%2F2pi = 5 cm.


Diameter = 2r = 10 cm.