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A parallelogram has the following properties:

  • Two pairs of parallel sides
  • Opposite sides equal
  • Opoosite angles equal
  • Diagonals bisect each other

Therefore in order for a quadrilateral to be a parallelogram it has to have all of these same properties and in regards to your question it must also have all sides the same length.

The answer is: square and rhombus

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15y ago

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