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Math Help - Diagonals of a Quadrilateral

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    Diagonals of a Quadrilateral

    The diagonals AC and BD of a quadrilateral ABCD are perpendicular. Find the length of AB if BC = 5 cm, DC = 4 cm and AD = 3 cm.
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    Quote Originally Posted by gunsandroses234 View Post
    The diagonals AC and BD of a quadrilateral ABCD are perpendicular. Find the length of AB if BC = 5 cm, DC = 4 cm and AD = 3 cm.
    I am not satisfied that this question is not from either a competition or graded assessment.

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