Question

I would like to know how to solve this and the answer

Answer 1

18 degrees

Step-by-step explanation:

Note that the exterior angle of a triangle is equal to the sum of the two opposite interior angles.

So let's go ahead and find x;

`\begin{gathered} x+117=135 \\ x=135-117 \\ \therefore x=18^(\circ) \end{gathered}`