JAMB Mathematics 2008 Objective — Question 26

Question 26 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2008 Objective paper, with the correct answer and a full explanation.

In the diagram above, PQ is parallel to RS. The size of the angle marked x is

• A. 100
• B. 80
• C. 50
• D. 30Correct

Explanation

Using alternate and co-interior angle properties with the parallel lines PQ and RS and the given 50 and 30 degree angles, x evaluates to 30 degrees.

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