Answer:
∠ R = 50°
Step-by-step explanation:
∠ T and ∠ R are vertically opposite angles and are congruent (equal), then
11x - 16 = 8x + 2 ( subtract 8x from both sides )
3x - 16 = 2 ( add 16 to both sides )
3x = 18 ( divide both sides by 3 )
x = 6
Then
∠ R = 8x + 2 = 8(6) + 2 = 48 + 2 = 50°
