The sum of 2 interior angles of a triangle is 140°. What is the measure of the third interior angle? A. 220° B. 40° C. 30° or D. 50°?
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Home » Mathematics » The sum of 2 interior angles of a triangle is 140°. What is the measure of the third interior angle? A. 220° B. 40° C. 30° or D. 50°?