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Folding a Triangle
Auteur :
Andrew Stacey
Thème :
Triangles
This animation shows the "folding a triangle" method of proving both that the angles add up to 180 and the area of the triangle is "half base times height". The vertices of the triangle can be moved.
GeoGebra
Nouvelles ressources
Introduction
Simplifying Radicals: Geometric Thin Slice
Napoleon's Theorem
Odd or Even
Witch of Agnesi - A Classical Construction
Découvrir des ressources
Precalculus
soma_angulos_internos_poligono
Water evaporation- percentage
Teacher's Construction 6
Exam3Question4
Découvrir des Thèmes
Polygones
Arbres de Probabilité
Vecteurs
PPCM et PGCD
Cercle Circonscrit