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

Thales' Intercept Theorem
Identify Opposite, Adjacent, Hypotenuse
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
apec
Two Triangle Theorem

Découvrir des ressources

Quadratic21
Pitagora za početnike
Midsegment Theorem
Forces on a man and a lift moving upwards and downwards.

Découvrir des Thèmes

Orthocentre
Périmètre
Statistiques
Fractions
Figures Planes