
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
January 23rd, 2012, 12:17 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, 12:21 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,786 Thanks: 708  Re: Is the r of an circumscribed circle = 2r of an incircle?
Equilateral triangle will do.


Tags 
circle, circumscribed, incircle 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Help with an incircle problem?  spica  Algebra  3  March 3rd, 2014 02:18 PM 
Incircle  ania992  Algebra  4  April 14th, 2013 09:59 AM 
Circumscribed circle  johnny  Algebra  4  February 27th, 2011 05:26 PM 
Perimeter of a triangle circumscribed about a circle?  BigB7  Algebra  1  January 18th, 2011 05:04 PM 
Incircle of the triangle proof  Powermonster  Algebra  5  September 29th, 2008 08:24 AM 