Pythagoras' theorem and trigonometry
Essential Mathematics Year 9
Downloadable Lesson notes
Chapters
Welcome
Learning objectives
Recap of past learning
His theorem ... or someone else's?
The longest side of a triangle has a name!
Example 1: Pythagoras' Theorem
What is an exact value?
Using the calculator to show surds
Example 2: Pythagoras' Theorem
Final words
Description
This is the first video in the Year 9 series looking at Pythagoras' Theorem and right angled triangles. This video is really an introduction to who Pythagoras was and the formula he (probably didn't) come up with. I look at some basic examples of using the formula and how you might want to do it another way! The theory is explained in an easy to understand way.
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