NCERT Example 2 - Some Applications of Trigonometry

Question: An electrician has to repair an electric fault on a pole of height 5 m. She needs to reach a point 1.3 m below the top of the pole. The ladder is inclined at 60° to the horizontal. Find the length of the ladder and how far from the foot of the pole she should place it. (Take sqrt(3) = 1.73)

Answer: Ladder length — 4.28 m; foot of ladder — 2.14 m from the pole.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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