Question 27
Triangles and QuadrilateralsFrom the figure above, what is the value of p?

- A.45°
- B.135°
- C.90°
- D.60°
Show the answer and explanation
Answer: C (90°)
Explanation
q° and 30° are vertically opposite, so q = 30. (p + 2q)° and 30° lie on a straight line, so p + 60 + 30 = 180, giving p = 90°.