A ladder is placed against a wall such that it just reaches the top of the wall. The foot of the ladder is at a distance of 5 metres from the wall. The angle of elevation of the top of the wall from the base of the ladder is 15°. What is the length (in metres) of the ladder?
A. 5√6 - 5√3
B. 5√6 - 5√2
C. 5√2 - 1
D. 5√3 - 5√2
Answer: Option B
Related Questions on Height and Distance
A. 173 m
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B. 8 units
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