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Line 1: [[Image:Extouch Triangle and Nagel Point.svg\|right\|frame~~\|325px~~\|The extouch triangle (△T<sub>A</sub>T<sub>B</sub>T<sub>C</sub>, with red boundary) and the [[Nagel point]] (blue, N) of a triangle (△ABC, with black boundary). The orange circles are the [[excircles]] of the triangle.]] In [[geometry]], the '''extouch triangle''' of a [[triangle]] is formed by joining the points at which the three [[excircle]]s touch the triangle.

Extouch triangle: Difference between revisions