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In triangle ABC, with angle A = 60 degrees and angle B = 50 degrees, we need to prove that angle C is a right angle. However, the third angle, angle C, is actually 70 degrees, not 90 degrees, which means that the statement is incorrect.Given that in triangle ABC, angle A = 60 degrees and angle B = 50 degrees, we need to prove that the third angle, angle C, is a right angle.Since the sum of all angles in a triangle is 180 degrees, angle C can be found by subtracting the sum of angles A and B from 180 degrees.So, angle C = 180 - (60 + 50) = 70 degrees.Since angle C is 70 degrees, which is not equal to 90 degrees, we can conclude that triangle ABC is not a right triangle.Therefore, the statement that angle C is a right angle is incorrect.The probable question may be:Given: In triangle ABC, angle A = 60 degrees, angle B = 50 degrees.Prove: The third angle, angle C, is a right angle....