In the diagram above, O is the center of the circle and ∠POR = 126°….

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Mathematics WAEC 1992

In the diagram above, O is the center of the circle and ∠POR = 126°. Find ∠PQR

  • 234o
  • 117o checkmark
  • 72o
  • 63o
  • 54o

The correct answer is: B

Explanation

Reflex < POR = 360° - 126° = 234°

\(\therefore\) < PQR = \(\frac{1}{2} \times 234°\)

= 117°

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