Geometry 4.7b, Proving the Parallel & Perpendicular Lines Theorems

First published at 13:27 UTC on August 31st, 2018.

An explanation of how slopes can be used to determine if two lines in the coordinate plane are parallel or perpendicular. We review the Parallel Lines Theorem and the Perpendicular Lines Theorem, and discuss how they can be broken into three parts. …

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CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
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