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प्रश्न
If the length of the shadow of a tower is `sqrt(3)` times its height, then the angle of elevation of the sun is ______.
विकल्प
45°
30°
60°
0°
MCQ
रिक्त स्थान भरें
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उत्तर
If the length of the shadow of a tower is `sqrt(3)` times its height, then the angle of elevation of the sun is 30°.
Explanation:
In ΔABC,
tan θ = `(AB)/(BC)`
= `h/(hsqrt(3))`
= `1/sqrt(3)`
= tan 30°
∴ θ = 30°
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