The measure of the two angles of a triangle are 67° and 69°. find the measure of the third angle.
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Well, this is pretty easy: ANY Triangle, by definition, contains 180°. So, if you have a triangle with known angles of 45° and 25°, all you have to do is subtract the known angles from 180° and you’re all done. In this case, 180° - 45° -25° = 110°; your unknown angle is 110°. ...
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