Copy of Feuerbach's Theorem

Auteur:cornel welster, V8frr

Feuerbach's theorem, which states that the nine-point circle is tangent to the three excircles of the triangle as well as its incircle. Drag A, B and C to see that this reamins invariable for any triangle.

Nieuw didactisch materiaal

Rule of Sarrus - Determinant of a 3×3 Matrix
seo tool
Limaçons
The Geometry of the Coefficients of a Quadratic Function
Celsius ↔ Fahrenheit Converter

Ontdek materiaal

Finding Shapes
Turquía (Samsun): Ángulos en la circunferencia.
Exponent: repeated multiplication or division
Distributive property

Ontdek onderwerpen

Gelijkvormigheidstransformatie of gelijkvormigheid
Trapezium
Omgeschreven cirkel
Gelijkbenige driehoeken
Lineaire functies