Answer:
B. x = 65
Explanation:
Angles ∠PTU and ∠VTU are supplementary, meaning they equal 180° when added together.
180 - 115 = 65
∠VTU = 65°
All angles in a triangle must add to equal 180°, so you use the equation:
50 + 65 = 115
180 - 115 = 65
Therefore x = 65