Answer:
x = 120°
Step-by-step explanation:
In order to find the value of x, first you need to find the values for each angle in ΔQTS. ∠QTS is equal to 70°. In order to find ∠QST we need to do 180 - 50 - 70 = 60°. Because we know that ∠QST is 60°, we can do 180 - 60 to find x, and we get 120°
