Solve for [?]. Assume that lines which appear tangent are tangent.

Answer:
Step-by-step explanation:
Since the problem stated that the 2 lines are tangent, you can then tell that the triangle is a right triangle.
By using the Pythagorean Theorem, the missing side, "x", is equal to [tex]\sqrt{8.4^2+11.2^2}[/tex], which equals 14