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GeoGebra
GeoGebra Classroom
Outline
Triangle Sum Properties
Investigating the Triangle Angle Sum Theorem
Investigating Triangle Exterior Angles
Triangle Sum Properties
Author:
Jill Alsman
Students will investigate the sum of the measure of the interior angles of triangles, look at a proof, as well as investigate the measure of an exterior angle of a triangle.
Investigating the Triangle Angle Sum Theorem
Investigating Triangle Exterior Angles
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Investigating the Triangle Angle Sum Theorem
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