We have to know the angle that is not labelled. (lets call it y)
9x + y= 180
and the sum of the angles of a triangle is 180
5x + (9+x) + y=180
2 simultaneous equations
Answer:
14 is the opposite of -14
Step-by-step explanation:
Answer:
im pretty sure it’s a sorry if i’m wrong
Step-by-step explanation:
The answer is false your welcome