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  1. At a point, 15 m away from the base of a 15 m high house, the angle of elevation of the top is :
    1. 45°
    2. 30°
    3. 60°
    4. 90°
Correct Option: A

Let us draw the figure from the given question.
Let, MP denote the house. Let, θ be the angle of elevation.

∴ tanθ = MP = 15 = 1.
OM15
∴θ = 45° .


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