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Answer»

X = 18 Angle A = 166°Step-by-step explanation:Since the 2 lines are parallel THEREFORE, angle A = angle B ( corresponding angles of palallel lines are equal) AngleA = angleB7x + 40 = 3x + 1127x - 3x = 112 - 404x = 72X = 72/4X = 18Angle A = 7X + 40. Since, X = 18Angle A = 7 × 18 + 40Angle A = 166°



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