A ladder is leaning against a wall such that its upper end touches | Filo
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Some Applications of Trigonometry

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A ladder is leaning against a wall such that its upper end touches the wall of the height of 3 m and the ladder is inclined at an angle having measure of 30 with the ground. The length of the ladder is:

  1. m
  2. m
  3. m
  4. m
Correct Answer: Option(b)
Solution: In the figure, AC = ladder, AB = wall = 3m, ACB = 30

In ABC, sin 30 = AC = 6 m.

The length of ladder is 6 m. 
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