Q11 Exercise 4.1C: Trigonometry 1 David Rayner Complete Mathematics Extended Book Solution

11. The diagram represents the starting position, AB, and the finishing position, CD, of a ladder as it slips down a vertical wall. 124 Given: AC = x, OC = 4AC, BD = 2AC and OB = 5 m. Form an equation in x, then solve for x and hence find the length of the ladder.


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