Trigonometrymedium · Past Paper
A ladder 15 m long makes 60° with the wall. Find height of wall it reaches.
A7.5 m
B7.5√3 m
C15 m
D10 m
✓ Correct Answer: A — 7.5 m
Angle with ground is 30°. sin 30 = h / 15 => h = 7.5 m. Or cos 60 = h/15.
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