GCE Mathematics 2024 Objective — Question 30

Question 30 of 50 from the General Certificate of Education (GCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.

In the diagram, ∠PRT=16°. Find the value of the angle marked y.

• A. A. 64°
• B. B. 68°Correct
• C. C. 86°
• D. D. 90°

Explanation

By the exterior angle theorem, the exterior angle of a triangle equals the sum of the two remote interior angles: y = 16°+52° = 68°.

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