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JAMB Mathematics 2013 Objective — Question 25

Question 25 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2013 Objective paper, with the correct answer and a full explanation.

The value of x in the figure above is:

Diagram for question 25

A. A. 70°
B. B. 130°Correct
C. C. 110°
D. D. 100°

Explanation

Angles on parallel lines: x=180°−50°=130°.

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