Incircle, Excircle, Altitude

Autor:Steve Phelps

The center of incircle, tangent point of excircle, and midpoint of altitude are collinear. The center of excircle, tangent point of incircle, and midpoint of altitude are collinear.

Nuevos recursos

Viviani's Curve
Cartesian vs Polar
Slope and Road Signs
Rose Curve
Random Polar Curve (3)

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Illustration of the Grade Response Model (GRM)
Zeros of Polynomial
Practice 1
Why the 10% rule and np>=10, n(1-p)>=10 rules?
dot_proj_vect_test_d14062018_better_v2
Exercice Auto-correctif , Parallélogramme

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Diagramas
Fractales
Enteros
Cilindro
Secciones Cónicas