yes, but only in isosceles trapezoides, the sides that are not parallel are the congruen sides.
Yes, all trapezoids must have one pair of congruent sides.
Only when they are isosceles trapezoids.
No
No. If it did it would be a rectangle. A trapezoid only has two congruent sides.
nope it is possible for a trapeziod to have three congruent sides
By definition, a trapezoid only must have exactly one pair of parallel sides. An isosceles trapezoid does have one pair of congruent sides, but not all trapezoids will have exactly one pair of congruent sides.
No. Most Trapezoids are not isosceles. The non parallel sides must be congruent to be isosceles.
If you mean on opposite sides yes. There are 2 pairs of congruent angles.
No, a parallellogram is a quadrilateral with two pair of congruent sides and a trapezoid is a quadrilateral with only one pair of congruent sides.
No. Most trapezoids don't even have one pair of congruent sides. Only isosceles trapeoids have one pair; none have more than one pair.
Only the diagonals of isosceles trapezoids are congruent.
Only if it's an isosceles trapezoid otherwise all trapezoids have exactly one pair of parallel sides that are of different lengths