It has 6 possible pairs of sides, although all the pairs will look the same.
It has 6 possible pairs of angles, although all the pairs will look the same.
Two pairs.
Two pairs.
66
Four of them.
23 pairs OR 46.
2 pairs
forty eight
2 pairs
None
23 pairs OR 46.
A square has two pairs of parallel sides.It has two pairs of parallel sides.
2 pairs, same as any other parallelogram