A ladder 9m long leans against a vertical wall, making an...
A ladder 9m long leans against a vertical wall, making an angle of 64° with the horizontal ground. calculate correct to one decimal place, how far the foot of the ladder is from the wall.
4.0m
5.8m
7.1m
8.1m
18.5m
Correct answer is A
No explanation has been provided for this answer.
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