WAEC Mathematics 2023 Objective — Question 17

Question 17 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.

In the diagram, O is the centre of the circle NST. |NT|=|ST| and ∠NTS=36°. Find the measure of the angle marked t.

• A. 36°Correct
• B. 72°
• C. 108°
• D. 54°

Explanation

∠RSN=∠NTS=36° (angles in the alternate segment are equal).

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