Sum of the angles in a triangle - Geometry
We prove that the sum of the angles of any triangle is 180°. The proof is short and sweet.
It is important to develop the skill of proving things, because when you understand why something works, it reinforces your knowledge.
Geometer: Louise McCartney
Artwork: Kelly Vivanco
Written by Michael Harrison
Directed & Produced by Kimberly Hatch Harrison & Michael Harrison
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Watch video Sum of the angles in a triangle - Geometry online without registration, duration hours minute second in high quality. This video was added by user Socratica 27 April 2013, don't forget to share it with your friends and acquaintances, it has been viewed on our site 29,254 once and liked it 193 people.