Series

Angles and Lines, Part 2: Math Videos

Created by
Khan Academy Lite

About this content

This is the second part of a series on angles and lines. You will learn to measure angles with a protractor, find vertical angles, and work with segments. You will also prove key geometry facts, like why the angles in a triangle add up to 180 degrees. The series ends with polygons and a look at the golden ratio. These skills build logical thinking and are useful in any hands-on trade. Starting with part 1 is recommended.

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