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.
Fantastic ppt for my year 4. Saves me such a lot of time. Thanks
Visual. I like this resource its quick and very visual
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