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

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רישום חופשי
Limaçons
Tracing an Ellipse Using Two Circles
The Geometry of the Coefficients of a Quadratic Function

Découvrir des ressources

Exploring Graphs
Shawver Period 7 Kenzie Robinson
Izrada novog Geogebra e-udžbenika
Polynomials and Quadratic Equations

Découvrir des Thèmes

Surface
Rapports
Translation
Nombres
Quadrilatères