PLEASE I NEED HELP WITH THE MATH HOMEWORK. I NEED EXPLANATION TOO!!
QUESTION: find the value of the varible

Answer:
Step-by-step explanation:
A+B+C=180
2x+x+90=180 ( the 90 comes from the right angle in the given triangle)
3x=90
x=30°
:) these are all kinda the same strategy.. notice?