How many pairs of parallel sides do a pentagon and a hexagon have?
a pentagon has 5 sides total, and no parallel sides. A hexagon
has 6 sides, so it has 3 parallel sides. any shape with an odd
number of equal sides has 0 parallel sides, no matter how many
sides it has. every shape with an even number of equal sides will
have the # of sides divided by 2 (#/2) of parallel sides.