In the diagram, PQRS is a parallelogram and ∠QRT = 30°. Find x
MATHEMATICS
WAEC 2005
In the diagram, PQRS is a parallelogram and ∠QRT = 30°. Find x

- A. 95°
- B. 100°
- C. 120°
- D. 150°
Correct Answer: D. 150°
Explanation
Since ?QRS = 180o - 30o = 150o and ?SPQ = ?QRS (theorem opp. angles in a parallelogram are equal) ? x = 150o
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