Answer:
x = 4
Explanation:
RST is a 30 60 90 right triangle
Ration of short leg : long leg : hypo. = a : a√3 : 2a
Given long leg = 2√3 so short leg = 2 and hypo = 2 * 2 = 4
RT = 4
Triangle RQT is a isosceles 45 45 90 right triangle
So RT = RQ = 4
Answer
x = 4