Sum of Angles in 4 Sided Polygon: Proof

First published at 07:04 UTC on April 13th, 2019.
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In this video I prove that the sum of the angles in any 4-sided polygon, known as a quadrilateral, is equal to 360 degrees. I prove it using two methods. The first method involves drawing parallel lines about 1 point and showing how all the angles a…

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