Question

    From the top of a straight pillar 20 meters high, the

    angle of elevation of the top of a straight tower was 45°. If the tower was 70 meters high, then at what distance was the base of the tower from the base of the pillar?
    A 30m Correct Answer Incorrect Answer
    B 40m Correct Answer Incorrect Answer
    C 50m Correct Answer Incorrect Answer
    D 45m Correct Answer Incorrect Answer

    Solution

    AC =70, and DE =20 AB =70-20 =50m. Tan 45° =AD/BD =AB/CE 1 =50 /CE CE =50m.

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