Question

which is not a property of parallelogram?

Answer 1

Answer:

If the four sides do not connect at their endpoints, you do not have a closed shape; no parallelogram! If one side is longer than its opposite side, you do not have parallel sides; no parallelogram! If only one set of opposite sides are congruent, you do not have a parallelogram, you have a trapezoid

Step-by-step explanation:

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Answer 2

Not a property?

I believe you haven't included the options.

But these are the main properties of parallelogram.

* Opposite sides are equal

* Opposite sides are parallel

* Opposite angles are equal

*Diagonals bisect each other