because of $ML$ is the median of a right angle triangle $MDC$ .tanmoy wrote: Tahmid vaia, you wrote:$\therefore \angle MLC=180-2x$.This implies,$\angle MCL= \angle CML$.But how
$ML=\frac{DC}{2}=LC$
$\angle MCL= \angle CML$
because of $ML$ is the median of a right angle triangle $MDC$ .tanmoy wrote: Tahmid vaia, you wrote:$\therefore \angle MLC=180-2x$.This implies,$\angle MCL= \angle CML$.But how
prya19970 wrote: the quadrilateral is concycic .