passwella.
Menu

JAMB Mathematics 1983 Question 41

Question 41

Triangles and Quadrilaterals

In the figure below find PRQ

Diagram for this question
  1. A.66½°
  2. B.62½°
  3. C.125°
  4. D.105°
  5. E.65°.
Show the answer and explanation

Answer: B (62½°)

Explanation

The reflex angle at O is 235°, so angle POQ = 360° − 235° = 125°. The angle at the circumference is half of it: 62½°.