Question

NEEEEEDDDD HELPPPPPP PLEASE...........
Solve for [x]. Each figure is a trapezoid.

Answer 1

11

Explanation:

Opposite sides of a trapezoid are parallel. So, by the same-side interior angles theorem,

`-16x+10x+86=180 \\ \\ 10x+70=180 \\ \\ 10x=110 \\ \\ x=11`