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    Question

    The angle of elevation of a ladder leaning against a

    wall is 45 and the foot of the ladder is 10 m away from the wall. The length of the ladder
    A 10 m Correct Answer Incorrect Answer
    B 13 m Correct Answer Incorrect Answer
    C 15 m Correct Answer Incorrect Answer
    D 16 m Correct Answer Incorrect Answer

    Solution

    Let the length of the ladder =AC Cos 45┬░ =AC/10 1/ тИЪ2 = AC/10 AC =1.414├Ч10=14.14 meter.

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