Besides squares, which other quadrilateral(s) always have 4 equal sides?

Which one of these quadrilateral(s) have 2 pairs of equal sides?

All quadrilaterals always have 2 pairs of parallel sides except for...

A trapezium can have___pair(s) of parallel sides.

All squares have diagonals that are of equal length, which other quadrilateral(s) always have diagonals of equal length?

All squares have diagonals that meet at 90 degrees. Which other quadrilateral(s) have diagonals that meet at 90 degrees?

Classify the quadrilateral by its most specific name.

Classify the quadrilateral by its most specific name.