Question

    At a point 20 metres away from the base of a 20√3,

    metres high house, the angle of elevation of the top is 
    A 60° Correct Answer Incorrect Answer
    B 45° Correct Answer Incorrect Answer
    C 30° Correct Answer Incorrect Answer
    D 90° Correct Answer Incorrect Answer

    Solution

    tan θ = 20√3/20 = √3 θ = 60 °

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