MathematicsEuclidean geometryWAEC
A transversal cuts two parallel lines. One of a pair of co-interior (allied) angles is 64°. Find the other.
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Answer: C. 116°
Co-interior angles between parallel lines are supplementary: 180° − 64° = 116°.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.