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If the height of a tower is 2√3 metres and the length of its shadow is 2 metres, then the angle of elevation of sun is equal to :यदि एक मीनार की ऊँचाई 2√3 मीटर है और इसकी छाया की लम्बाई 2 मीटर है, तो सूर्य का उन्नयन कोण बराबर है :

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Correct answer: C. 60°

Explanation

tan θ = height / shadow = 2√3 / 2 = √3. Since tan 60° = √3, the angle of elevation of the sun is 60°.tan θ = ऊँचाई / छाया = 2√3 / 2 = √3। चूँकि tan 60° = √3, अतः सूर्य का उन्नयन कोण 60° है।

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