I am guessing you mean you are given 2 of the 3 interior angles of a triangle and are asked for the 3rd. Well, it is a theorem that the 3 angles of a triangle add up to 180 degrees. So add the 2 given angles and subtract the sum from 180. to get the measure of the 3rd angle.
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The third angle is 93 degrees
Add the first two angles together and subtract the total from 180 to find the 3rd angle
The third angle is [180-(32+70)] = 180-102 = 78
The sum of the three angles of a triangle will always be 180 degrees. So to find the third angle, one must take 180 - 35 - 77. The answer would be 68
90