How to find the interior angle of a triangle

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asked Apr 20, 2019 67.3k views

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Mlevi · Answer 1 · 2019-04-24T02:28:20+0000

c + d = 180° (angles on a straight line). If we rearrange both equations (subtract c from both sides), we get: a + b = 180° - c and d = 180° - c. The exterior angle is equal to the sum of the two opposite interior angles.

How to find the interior angle of a triangle

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