A parallelogram has two pairs of congruent sides.
A trapezoid may have zero or one pair of congruent sides.
2
Two pairs.
2
A parallelogram has two pairs of congruent sides.
2 pairs, the sides opposite each other are congruent to each other
Infinitely many.
In a rhombus, all of the sides are congruent, so 4.
Opposite sides of a parallelogram are congruent and so it has 2 pairs of congruent sides.
A trapezoid may have zero or one pair of congruent sides.
2 pairs
2
Two pairs.
2
Six. If the sides are labelled a, b, c and d then the congruent pairs are: ab, ac, ad, bc, bd and cd
One pair