Most triangles equal 180. For example you have a triangle that has 3 angle measures but one is missing . The two angle measures would be 60 degrees and 70 degrees. First add 60 and 70 to get 130 then subtract 180-130 to get your awnser
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It should be "the sum of the interior angles of 'every' triangle is equal to 180°". And just another suggestion - the post will be much more appreciated when you give a proof to this (like the one where we cut the angles and join them to get 180 as the sum).
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This discussion board is a place to discuss our Daily Challenges and the math and science related to those challenges. Explanations are more than just a solution — they should explain the steps and thinking strategies that you used to obtain the solution. Comments should further the discussion of math and science.
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To help people understand it a little bit better I have something else I will post about triangles later on it’s more advanced
It should be "the sum of the interior angles of 'every' triangle is equal to 180°". And just another suggestion - the post will be much more appreciated when you give a proof to this (like the one where we cut the angles and join them to get 180 as the sum).
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ok, thank you