Question:medium

P, Q, S and R are points on the circumference of a circle of radius r, such that PQR is an equilateral triangle and PS is the diameter of the circle. What is the perimeter of the quadrilateral PQSR?

Updated On: Nov 25, 2025
  • 4r
  • $2r\sqrt{3}$
  • $2r(1+\sqrt{3})$
  • $4r\sqrt{3}$
  • $4r(1+\sqrt{3})$

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