A ladder 65 feet long is leaning against a wall. Its lower end is 25 feet away from the wall how much farther away will t be if the upper end is moved down 8 feet?

1 answer

65^2 = 25^2 + h^2 => h = 60
and lowering it h = 52
then,
65^2 = (25 + x )^2 + 52^2 => x = 14