Copy of Feuerbach's Theorem

Autor:t160053, 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.

Nuevos recursos

seo tool
Regular Polygons and Equivalent Triangles
Parallelogram Anatomy
apec
Classifying Triangles

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Evaluare Nationala.
Proving Triangles Similar (1)
Untitled
การบวกจำนวนเต็ม
Unraveling a Circle into a Line

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Baricentro
División
Función Tangente
Probabilidad Condicional
Triángulos Equiláteros