← 3.1 Pythagorean Relationship

Finding the hypotenuse

Mathematics · Grade 7 · about 40 minutes

Use a² + b² = c² to calculate the longest side when the two legs are known.

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  • 10 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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Other lessons in this sub-strand

  1. Sides of a right-angled triangle
  2. The Pythagorean relationship
  3. Finding the hypotenuse
  4. Pythagoras in real life