What are the properties of a parallelogram?

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  • sepia
    Lv 7
    8 months ago

    In Euclidean geometry, a parallelogram is a simple (non-self-intersecting) quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure. The congruence of opposite sides and opposite angles is a direct consequence of the Euclidean parallel postulate and neither condition can be proven without appealing to the Euclidean parallel postulate or one of its equivalent formulations.

  • 8 months ago

    It's a quadrilateral in which the pairs of opposite sides are parrallel.

  • David
    Lv 7
    8 months ago

    It is a 4 sided quadrilateral whose opposite sides are parallel and its 4 interior angles add up to 360 degrees.

  • 8 months ago

    A parallelogram is a quadrilateral with opposite sides parallel and equal. 

    Examples of parallelogram:

    Rectangles, squares, and rhombuses are all parallelograms.

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  • Anonymous
    8 months ago

    That the sides be parallel to its opposite side.

    Example: A box

  • ted s
    Lv 7
    8 months ago

    a 4 sided figure whose opposite sides are parallel lines and whose opposite angles  have the same angle measure. Its diagonals divide the parallelogram into 2 sets of congruent triangles......go to ' wikipedia.org ' , type in parallelogram and READ

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