Q
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 length of the wall is:
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A
A. 15 √3 m
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B
B. 15 √2 m
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C
C. 15/2 m
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D
D. 15 √7 m
Correct Answer:
A. A. 15 √3 m
Explanation:
Using trigonometry, the length of the wall is 15 √3 meters.
