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Feuerbach's theorem
Author:
Joan Antoni Mascarell
The nine-point circle of a triangle touches the incircle and excircles of the triangle.
GeoGebra
New Resources
Terra i raó
Gerro vist a Montauban
Segments a sobre d'una esfera
Sea Snail. PES Membrane Pavilion
Una llanta de SEAT
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Distorsionant imatges
Arc decoratiu 2 de la Catedral de Tarragona. 1a part
Demostració visual del Teorema del Cosinus
La botiga de videojocs
Igual àrea i diferent perímetre
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Mode
Plane Figures or Shapes
Congruence
Tangent Line or Tangent
Hyperbola