Reflection Proof

Visualizing the fact that the sum of the interior angles of a triangle is always a straight angle, i.e. α+β+γ=180°

 

linzi_bullard

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Resource Type
Activity
Tags
angle  angles  animation  exploration  ipad  sum  tablet  triangle  triangles  visualization 
Target Group (Age)
11 – 14
Language
English
 
 
 
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