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Exterior Angle Theorem For Triangles, Practice Problems - Geometry
This geometry video tutorial provides a basic introduction into the exterior angle theorem for triangles. It explains how to use it solve for x and y. It describes the difference between interior angles and exterior angles as well as the remote interior angles. It contains plenty of examples and practice problems. Triangle Congruence - SSS, SAS ...
1.3M viewsDec 23, 2017
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