The Feuerbach Point

Autor:Steve Phelps

Construct the incircle and the three excircles of a triangle. The nine-point circle is tangent to all four circles. The point of tangency of the nine-point circle and the incircle is the Feuerbach Point.

Novos Materiais

Rolling Circles and Polygons
Rolling an Equilateral Triangle
Untitled
Parallelogram Anatomy
Superellipse

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spirale de segments
Midline
พื้นที่ใต้เส้นโค้งปกติมาตรฐาน

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Quadrado
Círculo Unitário
mdc e mmc
Inequações
Aritmética