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Parallelogram

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Parallelogram

    • Posted by Kumara Mb 4 years, 4 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Meghna Thapar 4 years, 4 months ago

    A parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram whose angles are all right angles is called a rectangle.

    There are six important properties of parallelograms to know:

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

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