So we have a 6 at the bottom, and the root is 3, so hmm how to take it out, simple enough, just let's get something to make the 6 a 6³, so it comes out of the root
so
2x+2x+60=180 because the angles have to add up to 180
So you have
4x+60=180
4x=120
x=30
Answer:
last one
Step-by-step explanation:
Brainliest please