Solve ASAP for brain list and thanks make sure it's correct

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

Aflagpole broke in a storm. 77 7 meters are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground at a point 2424 24 meters away horizontally

Which additional information, if true, would to prove that δlmp ≅ δnmp by hl? check all that apply.