SOLUTION: What is the radius of the ring? http://imgur.com/KFvBxpl

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Question 1017764: What is the radius of the ring? http://imgur.com/KFvBxpl
Found 2 solutions by ikleyn, FrankM:
Answer by ikleyn(52835) About Me  (Show Source):
You can put this solution on YOUR website!
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What is the radius of the ring? http://imgur.com/KFvBxpl
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The equation under the link is an equation of the circle.

The radius of this circle is sqrt%28324%29 = 18.

Answer. 18 miles.


Answer by FrankM(1040) About Me  (Show Source):
You can put this solution on YOUR website!
The question -

This is the equation of a circle X^2+Y^2=R^2
here, R = 18