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    Question

    A pole 21 m high casts a shadow 7√3 m long on the

    ground. Find the angle of elevation
    A 60° Correct Answer Incorrect Answer
    B 30° Correct Answer Incorrect Answer
    C 45° Correct Answer Incorrect Answer
    D 90° Correct Answer Incorrect Answer

    Solution

    If ' θ ' is the angle of elevation then here tan  θ  = length of Pole/ Shadow = 21/ 7 √3 = 3/√3 = √3 = tan 60 or θ  = 60°

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