Trigonometryeasy · Past Paper
A ladder 10 m long reaches a window 5 m high from the ground. Find the angle the ladder makes with the ground.
A30°
B45°
C60°
D90°
✓ Correct Answer: A — 30°
Using sin θ = Opposite / Hypotenuse: sin θ = 5/10 = 1/2. Since sin 30° = 1/2, the angle is 30°.
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