What is the value of x?
Angle at Q is 45 degrees also so RT = RQ
sin 60 = sqrt 3 / 2 = opp/hyp = 2*sqrt 3 / hyp solve for hyp
sqrt3/2 = 2*sqrt3/hyp
hyp = (2*sqrt3)/ (sqrt3/2) = 4 = RT
The two legs are the same length so x = 4