Find the value of x for the triangle.  45degrees by 33 degrees, by x

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Strange question. A triangle has 3 angles, you would not say 45 by 33; you could say two angles are 45 and 33, "What is the third?"  In that case it would simply be, 180 - 45 - 33 = 102 (all triangles have 180 degrees for interior angles.) If x happens to be on of the sides you need more information, such as the length of one of the other sides.