Cosine rule & Pythagoras' Theorem

Topic:Cosine, Pythagoras or Pythagorean Theorem

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).

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רישום חופשי
closest 3 unit squares relative to their inclination
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