A trapezoid has one pair of parallel sides.
has one pair
Zero
A trapezoid may have zero or one pair of congruent sides.
1 pair
1
Can have no pairs or one pair...
A trapezoid has one pair of parallel sides.
has one pair
2 pairs
2
Zero
A trapezoid may have zero or one pair of congruent sides.
One pair.
1
1 pair
One pair