Solve the problem.
-A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 ft. Find the length of the ladder if the length is 4 ft more than its distance from the wall.
A)20 ft
B)24 ft
C)16 ft
D)12 ft

Question

Quizplus · Accepted Answer

Using the Pythagorean theorem, let x be the distance from the wall. The ladder's length is x + 4. The equation is x^2 + 12^2 = (x + 4)^2. Solving gives x = 16, so the ladder's length is 20 ft.

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