The sum of the angles in any triangle is 180 degrees.
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The sum of the 3 angles in any triangle including a scalene triangle add up to 180 degrees.
-- A scalene triangle has three interior angles and three exterior angles. -- The sum of the interior angles is 180 degrees, and no two of them are equal. -- The sum of the exterior angles is also 180 degrees, and no two of them are equal. -- The sum of each interior angle and its adjacent exterior angle is 180 degrees.
If you have the other two angles, you can subract them from 180 degrees, which is the sum of the angles in any triangle.
the sum of the internal angles of a triangle, no matter whether isosceles, equilateral or scalene, is always 180 degrees
A scalene triangle is a 80 triangle,in rare casses it can be 90 degrees.