Trigonometrymedium · Past Paper
An electric pole is 10 m high. A steel wire tied to top is fixed at 45° to ground. Wire length?
A10√2 m
B10 m
C20 m
D5√2 m
✓ Correct Answer: A — 10√2 m
sin 45 = 10 / L. 1/√2 = 10 / L => L = 10√2 m.
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