Triangle Angle-Sum Theorem Proof

Follow the construction protocol and then move any vertex to verify that the interior angles add to 180 degrees

 

Gregorio Lopez

 
Materialetype
Arbejdsark
Tags
angle-sum  proof  theorem  triangle 
Målgruppe (alder)
14 – 18
Sprog
English (United States)
 
 
GeoGebra version
4.4
Visninger
979
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