Question 18
Triangles and QuadrilateralsFind the value of t in the diagram.

- A.63°
- B.117°
- C.126°
- D.234°
Show the answer and explanation
Answer: C (126°)
Explanation
WYZ is a straight line, so ∠WYX = 180° − 117° = 63°. The angle at the centre is twice that: t = 126°.