The Nagel Point

作者:Steve Phelps

Construct the three excircles of a triangle. Construct the tangents at the sides. Lines drawn from the vertex to the tangent point on the opposite side are concurrent.

新资源

Marion's Theorem
Right Triangle Inscribed in a Semicircle
Angle Addition Postulate (V2) - Integer Solutions
Isosceles Right Triangle
Basic and Compound Inequality Illustrator

发现资源

T09: Aufgabe 8 (Seite 126)
Valette_section1
geogebra
Draw on sphere
Inverse

发现主题

正方形
三维向量
加法
多边形
相似三角形