Copy of Feuerbach's Theorem

Egilea: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.

Baliabide berriak

רישום חופשי
bewijs stelling van Pythagoras
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Ringed Polyhedra
Transformaciones usando coordenadas

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