# Angles in a Triangle Total 180 Degrees

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Notice that the sum of the angles in a triangle is 180°, regardless of the positions of the vertices.

Contributed by: Abby Brown (March 2011)

Open content licensed under CC BY-NC-SA

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"Angles in a Triangle Total 180 Degrees"

http://demonstrations.wolfram.com/AnglesInATriangleTotal180Degrees/

Wolfram Demonstrations Project

Published: March 7 2011