Through \(T\), the mid-point of the side \(QR\) of a \(\triangle PQR \) , a straight line is drawn to meet \(PQ\) produced to \(S\) and \(PR\) at \(U\), so that \(PU = PS\). If length of \(UR = 2\) units then the length of \(QS\) is
cannot be determined
Error(s) Found !!!