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January 23rd, 2012, 01:17 PM  #1 
Newbie Joined: Jan 2012 Posts: 9 Thanks: 0  Is the r of an circumscribed circle = 2r of an incircle?
We're talking about an isosceles triangle. Is it possible to have such a triangle? so that radius R(Circumscribed circle)= radius 2r(inscribed)? 
January 24th, 2012, 01:21 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,852 Thanks: 743  Re: Is the r of an circumscribed circle = 2r of an incircle?
Equilateral triangle will do.


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circle, circumscribed, incircle 
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