Question

I’m completely lost can anybody help solve this

Answer 1

Answer:

$\huge\boxed{x=54^o}$

Step-by-step explanation:

Look at the picture.

We have:

$l=108^o$

Therefore

$2\alpha=108^o$           divide both sides by 2

$\dfrac{2\alpha}{2}=\dfrac{108^o}{2}\\\\\alpha=54^o$