0 0 votes $\text{P, Q, S}$ and $\text{R}$ are points on the circumference of a circle of radius $r,$ such that $\text{PQR}$ is an equilateral triangle and $\text{PS}$ is a diameter of the circle. What is the perimeter of the quadrilateral $\text{PQSR}?$ $2r(1+\sqrt{3})$ $2r(2+\sqrt{3})$ $r(1+\sqrt{5})$ $2r +\sqrt{3}$ Quantitative Aptitude cat2005 quantitative-aptitude geometry + – go_editor 14.2k points 1.2k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.