Post-UTME Mathematics 2018 Objective — Question 10
Question 10 of 20 from the Post-UTME Screening (Post-UTME) Mathematics 2018 Objective paper, with the correct answer and a full explanation.
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Use the diagram above (triangle PQR right-angled at R with angles 125 degrees and 26 degrees marked, and point S, x) to answer this question. Find x in the diagram above if triangle PQR is right angled at R.
- A. 9 degrees
- B. 8 degrees
- C. 7 degrees
- D. 5 degreesCorrect
Explanation
Using angle relationships in the diagram (exterior angle and the right angle at R), x works out to 5 degrees. (Note: this question depends on a diagram in the source scan that was not fully legible; the answer given is a best estimate.)
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