Question

what are the properties of parallelogram​

Answer 1

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.

Answer 2

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The properties of a parallelogram are as follows:

i. Opposite sides of a parallelogram are parallel and equal.

ii. Opposite angles of a parallelogram are of equal measure.

iii. The adjacent angles in a parallelogram are supplementary.

iv. The diagonals of a parallelogram are not always equal. However, they bisect each other.