Answer:
x = 55°
Step-by-step explanation:
If ∡STV is a straight angle (or 180°) and ∡STW is 125°, then we can assume that the angles look something like this
V | / W
| /
| x° /
T | /
| 125°
|
S |
Now this means that to get ∡WTV, we need to subtract ∡STW from ∡STV, which would look like this:
180 - 125 = 55
This means ∡WTV (or x) = 55°
