WAEC Mathematics 2018 Objective — Question 19
Question 19 of 50 from the West African Examinations Council (WAEC) Mathematics 2018 Objective paper, with the correct answer and a full explanation.
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In the diagram, PR is a tangent to the circle at Q, QT//RS, ∠SQR = 35° and ∠RSQ = 50°. Find the value of ∠QST.
- A. 40°
- B. 65°
- C. 85°
- D. 95°Correct
Explanation
Using alternate segment theorem and angle sum in the triangle, ∠QST = 95°.
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