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Mathematics 15 Online
OpenStudy (anonymous):

what does the triangle angle sum theorem say

OpenStudy (anonymous):

All angles of a triangle add up to 180

OpenStudy (anonymous):

So if you have for example a triangle with angles <A=60 <B=70 <C=X, all you need to do is add 60 + 70, then get 180 - 130 = X = 50

OpenStudy (anonymous):

The sum of the 3 inner angles of any triangle always adds up to 180º never more never less. 30º + 60º + 90º = 180º 45º + 45º + 90º = 180º 15º + 75º + 90º = 180º 86º + 14º + 80º = 180º

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