The Excircles and the Nagel Point

The sketch below shows the four tritangent circles (the incircle and the three excircles). The Nagel point is the point of currency of the segments from the point of concurrency of each side to the vertex of the opposite side.

 

Steve Phelps

 
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활동
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geometry  triangle 
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14 – 18
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English
 
 
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Copy of The Excircles and the Nagel Point
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