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17 October, 16:29

A quadrilateral has vertices A (3, 5), B (2, 0), C (7, 0), and D (8, 5). Which statement about the quadrilateral is true?

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  1. 17 October, 16:48
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    It is a parallelogram.

    Step-by-step explanation:

    The opposite sides AD and BC are both horizontal so they are parallel.

    The slope o AB = (0-5) / (2-3) = 5 and slope of the opposite side CD =

    (5-0) / (8-7) = 5 so these 2 are also parallel.

    The quadrilateral is therefore a parallelogram.

    If 2 adjacent sides are equal it is also a rhombus so we check the lengths of the sides.

    Length of AD = 8-3 = 5 units.

    Length of DC = sqrt ((5-0) ^2 + (8-7) ^2) = sqrt 26 so it is not a rhombus.
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