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20 October, 16:27

What are the four properties of parallelograms?

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  1. 20 October, 17:53
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    Opposite sides are parallel by definition

    Opposite sides are congruent

    opposite angles are congruent

    consecutive angles are supplementary

    The diagonals bisect each other
  2. 20 October, 20:06
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    There are six important properties of parallelograms to know:

    Opposite sides are congruent (AB = DC). Opposite angels are congruent (D = B). Consecutive angles are supplementary (A + D = 180°). If one angle is right, then all angles are right. The diagonals of a parallelogram bisect each other. Each diagonal of a parallelogram separates it into two congruent triangles.
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