Solve the problem.
-A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 ft. Find the length of the ladder if the length is 5 ft more than its distance from the wall.
A) 20 ft
B) 25 ft
C) 30 ft
D) 15 ft

Question

Quizplus · Accepted Answer

Using the Pythagorean theorem, let the distance from the wall be x. Then, the ladder's length is x + 5. We have x^2 + 15^2 = (x + 5)^2. Solving this gives x = 20, so the ladder's length is 25 ft.

Solve the Problem. -A Ladder Is Resting Against a Wall. the Top of the Top