The diagram represents the starting position (AB) and the finishing position (CD) of a ladder as it slips. The ladder is leaning against a vertical wall Given: AC =x, OC =4AC, BD = 2AC and OB = 5m. From an equation in x, find x and hence find the length of the ladder.

The diagram represents the starting position AB and the finishing position CD of a ladder as it slips The ladder is leaning against a vertical wall Given AC x O class=