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        riddles >> medium >> Re: Incenter and circumcenter in a triangle
        
(Message started by: Grimbal on May 18^th, 2008, 2:05am)

Title: Re: Incenter and circumcenter in a triangle
Post by Grimbal on May 18^th, 2008, 2:05am

This post will self-destruct in 10 seconds...

Title: Re: Incenter and circumcenter in a triangle
Post by FiBsTeR on May 18^th, 2008, 5:10am

on 05/17/08 at 19:00:00, cool_joh wrote:

I have not prove this yet, but I think it is correct.

Sketchpad says otherwise:

Title: Re: Incenter and circumcenter in a triangle
Post by Barukh on May 18^th, 2008, 5:21am

on 05/18/08 at 05:10:07, FiBsTeR wrote:

Sketchpad says otherwise:

Exactly. Attached is another example when ABC is right triangle. Angle A equals ~53^o.

Title: Re: Incenter and circumcenter in a triangle
Post by ThudanBlunder on May 18^th, 2008, 10:12am

Hmm...the question has self-destructed! ::)