Angles in a triangle. Geometry.

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Overall rating 4 out of 54 (3 ratings)

Last updated 20 March 2013, created 23 December 2009, viewed 5,237

A visual proof of why the angles in a triangle sum to 180 degrees.

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Very nice, simple animated visual that you could talk and engage the class in to prove that interior angles of a triangle add up to 180 degrees. from mhorley, 19 September 2011	(report comment)	4 out of 5
Fantastic ppt for my year 4. Saves me such a lot of time. Thanks from popply, 28 November 2010	(report comment)	5 out of 5
Visual. I like this resource its quick and very visual from JLSkittrall, 09 March 2010	(report comment)	3 out of 5
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Mathematics

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