Applying Pythagoras Theorem
Pythagoras' theorem and trigonometry
Essential Mathematics Year 9
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Downloadable Lesson notes


  Learning objectives
  Recap of past learning
  Triangles are everywhere
  Side note: Pythagorean Triples
  Real World Example 1
  Real World Example 2
  Thinking about the question 1
  Thinking about the question 2
  Final words

This video is another in the Pythagoras' Theorem series of videos for the Year 9 Mathematics curriculum. Building on the work I have covered before, I apply the learning from the past videos to real world problems where right angled triangles exist. I look at the common types of problems which might occur and how you can solve them. There are a number of worked examples and theory is explained in an easy to understand way.
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