Cosine rule & Pythagoras' Theorem

Thème :Cosinus, Pythagore ou Théorème de Pythagore

Drag the RED point to create an non-right angle triangle. How does the COSINE rule extend Pythagoras' theorem to describe non-right angle triangles? (Tick the box to see the Working).

Nouvelles ressources

Conformal mapping: Visualization
The Cosine Formula - Proof Without Words
Domino Chain Reaction
အခြေခံ data အခေါ်အဝေါ်များ
teste CJ

Découvrir des ressources

Step 3
Arc Length 1
Exploring Right Triangles Ratios

Découvrir des Thèmes

Triangles Rectangles
Moyenne Géométrique
Histogramme
Fonctions
Parallélogramme