MathematicsTrigonometryWAEC
A ladder 10 m long leans against a vertical wall and makes 60° with the level ground. How high up the wall does it reach?
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Answer: B. 5√3 m
Height = 10 sin 60° = 10 × √3/2 = 5√3 m. 5 m is the distance of the foot from the wall.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.