Cut-The-Knot-Action 8!

Auteur :Tim Brzezinski

Creation of this applet was inspired by a tweet from Alexander Bogomolny. How can you formally prove that the area of the orange triangle is less than or equal to

of the area of the ENTIRE TRIANGLE?

Nouvelles ressources

Level Curves
Graphical solution of ax² + bx + c = k
Trefoil Knot
Untitled
bewijs stelling van Pythagoras

Découvrir des ressources

Newton Principia Lemma 11
distance between two particular points in a triangle
Fr3 Quadratics
Dividing a segment into several congruent parts
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Découvrir des Thèmes

Soustraction
Statistiques
Quadrilatères
Droite Médiane
Cosinus