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   Re: Incenter and circumcenter in a triangle
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   Author  Topic: Re: Incenter and circumcenter in a triangle  (Read 973 times)
Grimbal
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Re: Incenter and circumcenter in a triangle  
« on: May 18th, 2008, 2:05am »
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This post will self-destruct in 10 seconds...
« Last Edit: May 19th, 2008, 12:32am by Grimbal » IP Logged
FiBsTeR
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Re: Incenter and circumcenter in a triangle   AI-IO.JPG
« Reply #1 on: May 18th, 2008, 5:10am »
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on May 17th, 2008, 7:00pm, cool_joh wrote:
I have not prove this yet, but I think it is correct.

 
Sketchpad says otherwise:
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Barukh
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Re: Incenter and circumcenter in a triangle   AI_perpendicular_IO.PNG
« Reply #2 on: May 18th, 2008, 5:21am »
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on May 18th, 2008, 5:10am, FiBsTeR wrote:
Sketchpad says otherwise:

Exactly. Attached is another example when ABC is right triangle. Angle A equals ~53o.
« Last Edit: May 18th, 2008, 5:22am by Barukh » IP Logged

ThudnBlunder
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Re: Incenter and circumcenter in a triangle  
« Reply #3 on: May 18th, 2008, 10:12am »
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Hmm...the question has self-destructed!   Roll Eyes
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