Feuerbach's Theorem

Auteur :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.

Nouvelles ressources

Congruent Figures
Squares Question
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Pythagorean Theorem: Quick Illustrator
Pythagorean Theorem: Extension Exercises

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Proof 3 - Complex(Pi) Trigonometry Geometry Solution
Parallel Line
Αντιγραφή του The Area of Parallelogram
Point of View

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Intégrale Définie
Matrices
Droites
Entiers
Fonctions Puissances