Answer:
128.4 units.
Step-by-step explanation:
We need to set up ratios to do this problem.
Because both trapezoids are similar, we know that all corresponding sides are similar.
[tex]\frac{42}{35} = \frac{x}{107}[/tex]
Simplify.
[tex]4,494 = 35x[/tex]
Divide both sides by 35.
[tex]x = 128.4[/tex]
