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    curtz91's Avatar
    curtz91 Posts: 2, Reputation: 1
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    #1

    Jul 15, 2009, 04:53 PM
    Rules of the Rectangle
    What are the rules of a rectangle?
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Jul 15, 2009, 05:01 PM

    I'm not sure I've ever heard of the "rules of a rectangle." These are some things that I know about rectangles:

    Opposite sides have equal length.
    Opposite sides are parallel to each other.
    Adjacent sides are perpendicular.
    All inside angles are 90 degrees.
    Diagonals are equal.
    The diagonal is related to the lengths of the side by the Pythagorean theorem.
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