very difficult geometry

[logistic_guy]

here is the question

Find \(\displaystyle m\overset{\large\frown}{QR}\).




my attemb
i can find \(\displaystyle m\measuredangle T\)
do this help to find \(\displaystyle m\overset{\large\frown}{QR}\)?

 

[Dr.Peterson]

Find \(\displaystyle m\overset{\large\frown}{QR}\).

View attachment 38960
my attempt
i can find \(\displaystyle m\measuredangle T\)
do this help to find \(\displaystyle m\overset{\large\frown}{QR}\)?

No, it is irrelevant. The problem can be solved without S being there at all.

Never call a problem "very difficult"; people will probably end up laughing at you.

Just draw in another line -- one that is very relevant.