1 39. What is the angle of elevatio...
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1 39. What is the angle of elevation of the sum, when the shadow of a pole of height x mis * m? (1) 30 (2) 45° (3) 60° (4) 75°

11th - 12th Class
Maths
Solution
112
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39. (3) Here, ( theta ) is the angle of elevation ( tan theta=frac{P}{B}=frac{x}{frac{x}{sqrt{3}}} ) ( =frac{sqrt{3} x}{x}=sqrt{3} ) ( tan theta=sqrt{3} ) ( theta=60^{circ} )
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