Angles in a triangle
Last updated: 15/11/2023
Contributor: Teachit Author
![Angles in a triangle Angles in a triangle](/sites/default/files/styles/scale_250w/public/products/m_thumbnails/29682/29682.png?itok=DCQusqm1)
A KS4 PowerPoint resource that guides students through the idea of a proof of the sum of angles in a triangle. Students learn a little about Euclid and use alternate angles to produce a diagram that proves the result.
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18/05/2020