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

Laundry Basket
Isosceles Right Triangle
Midpoint Theorem Questions: Mild
繪畫垂直線
Perpendicular Lines: Quick Exploration

Descobrir recursos

Motion Detector
ננסה להכליל
Euler Line
Geogebra_HFoley
Persamaan Lingkaran SMA Kelas 11

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Números Racionais
Construções
Centroide ou baricentro
Gráfico de função
Lógica