Answer:
x=45
Step-by-step explanation:
Because angles TRS and TRV are a linear pair, their two angle measures must add up to 180 degrees. Therefore:
x+3x=180
4x=180
x=180/4=45 degrees
Hope this helps!
45
its a strait line so both of those angles are equal too 180 deg.
3x+x = 180
x= 45
