WAEC Mathematics 2018 Objective — Question 48
Question 48 of 50 from the West African Examinations Council (WAEC) Mathematics 2018 Objective paper, with the correct answer and a full explanation.
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In the diagram above, PQ//RS. Find x° in terms of y° and z°
- A. x°=240°−y°−z°
- B. x°=180°−y°−z°
- C. x°=360°−y°−z°
- D. x°=360°−y°−z°Correct
Explanation
Using angles at the vertical opposite point and the angle sum properties of the parallel lines, x°=360°−y°−z°.
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