Suggested Answer
Answer:[tex]\sqrt{28}[/tex]Step-by-step explanation:The dotted lines form a triangle, the hypotenuse of that triangle is the other base of the parallelogram which means it also is 8 ftThe base of that newly formed triangle is one of the diagonals of the parallelogram, which is 6 ftUsing Pythagorean's theorem, h^2 + 6^2 = 8^2h^2 + 36 = 64h^2 = 28h = [tex]\sqrt{28}[/tex]