Q2 of 49 Page 1

A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes an angle of 60° with the wall, then calculate the height of the wall.


sin θ =


⇒ sin 60° =


⇒


⸫ BC = 12.99 m ≈ 13 m


⸫ Height of the wall = BC = 13 m


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