A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes

Question

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 the height of the wall is

Options:

A . $$15\sqrt 3 \,m$$

B . $$\frac{{15\sqrt 3 }}{2}\,m$$

C . $$\frac{{15}}{2}\,m$$

D . $$15\,m$$

Answer: Option B

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