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Some Applications of Trigonometry
CH09 Question Bank
CBSE_CH09_QUESTION_BANK
Grade 10

Question:

From a point on the ground, the angle of elevation of the top of a $10\sqrt3$ m tall tower is observed. If the point is $10$ m from the base of the tower, find the angle of elevation.

Step-by-Step Solution

Key Concept: Apply tanθ = height/distance and identify the standard angle.
$\tan\theta=\dfrac{10\sqrt3}{10}=\sqrt3$. [1.5 Marks]

$\theta=60^\circ$. [1.5 Marks]

Correct Answer:
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