Solve for x. Each figure is a trapezoid. # 18 has a midsegment.
13)

Question 13
[tex]{12x+2}=\frac{18+34}{2}\\\\12x+2=26\\\\12x=24\\\\x=\boxed{2}[/tex]
Question 14
Base angles of an isosceles trapezoid are congruent, so:
[tex]73x+1=74\\73x=73\\x=\boxed{1}[/tex]