Triangle Angle Theorems

Applet allows the student to powerfully discover the triangle interior and exterior angle sum theorems. Geometric transformations (translation & rotation) are at the heart of this "proof" without words.
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Susie Aames —

 
Resource Type
Activity
Tags
180  360  angle  ccss  ccss.8.g.a.5  ccss.hsg.co.c.10  common  common-core  core  exterior  interior sum theorem theorems triangle Show More…
Target Group (Age)
3 – 19+
Language
English
 
 
 
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