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Wednesday, 01 April 2026
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In the diagram above, O is the center of the circle, |SQ| = |QR| and ∠PQR = ...



In the diagram above, O is the center of the circle, |SQ| = |QR| and ∠PQR = 68°. Calculate ∠PRS
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  • A 34o
  • B 45o
  • C 56o
  • D 62o
  • E 68o
Correct Answer: Option A
Explanation:
From the figure, < PQR = 68°
\(\therefore\) < QRS = < QSR = \(\frac{180 - 68}{2}\) (base angles of an isos. triangle)
= 56°
\(\therefore\) < PRS = 90° - 56° = 34° (angles in a semi-circle)

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