WAEC Mathematics 2022 Objective — Question 36
Question 36 of 50 from the West African Examinations Council (WAEC) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
Advertisement
In the diagram, triangle MNR is inscribed in circle MNR and PQ is a straight line. If ∠MRN=41° and ∠PMR=141°, find ∠QNR.
- A. 39°
- B. 80°Correct
- C. 110°
- D. 141°
Explanation
∠QNR is the exterior angle related to the triangle's interior angles; using angle-sum relationships from the diagram, ∠QNR=80°.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.