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UP TGT Mathematics Complex Numbers Test Series - Part 4

A ladder 15 m long reaches a window 7.5 m high above the ground. The angle made by the ladder with the ground is:

Type: MCQ • Marks: 1
A ladder 15 m long reaches a window 7.5 m high above the ground. The angle made by the ladder with the ground is:
Options
A. 60°
B. 30°
C. 90°
D. 45°
Explanation
sin θ = 7.5 / 15 = 1/2 => θ = 30°.
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