Answer:
this might help you....
45 degrees
Step-by-step explanation:
180 - 60 - 75 = 45
Angle RVE is the same as angle LVA
6√3
6^2+x^2=12^2
36+x^2=144
-36 -36
x^2=108
x=6√3
the answer here is number 4
