Question 16
Angles and PolygonsIn the diagram, PQ and MN are straight lines. Find the value of x.

- A.13°
- B.17°
- C.28°
- D.30°
Show the answer and explanation
Answer: B (17°)
Explanation
Angles on the straight line MN add to 180°: 2(x + 30) + 86 = 180, so 2x = 34 and x = 17°.