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प्रश्न
A tower 30 m high has its shadow `30sqrt(3)` m at any time. Find the sun’s altitude.
बेरीज
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उत्तर
Given: Tower height = 30 m, Shadow = `30sqrt(3)` m
Use `tan α = "Height"/"Shadow"`.
`tan α = 30/(30sqrt(3))`
= `1/sqrt(3)`
`α = arctan 1/sqrt(3)`
= 30°
The sun’s altitude is 30°.
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