2 pairs, the sides opposite each other are congruent to each other
This is a parallelogram. The first requirement is 2 pairs of congruent sides where the congruent sides are not adjacent. This is like a rectangle (excluding a square) that has two pairs of congruent sides where the congruent sides are not adjacent. But the angles are not all congruent (as set in the question) which pushes the shape into the "next less regular" shape, the parallelogram. The angles will not all be congruent, but it will have 2 pairs of congruent angles. There is no way to avoid the 2 pairs of congruent angles because of the requirement that the shape must have 2 pairs of congruent sides (the first requirement).
This shape would be a square.
1. Opposite sides are parallel 2. Corresponding parts of congruent triangles are congruent
2 pairs
Trapezoid.
2 pairs, the sides opposite each other are congruent to each other
A kite
2 pairs of adjacent sides are equal
Opposite sides of a parallelogram are congruent and so it has 2 pairs of congruent sides.
If you mean on opposite sides yes. There are 2 pairs of congruent angles.
Yes.
Square and rhombus.
It has 2 pairs of parallel sides and the opposite angles are congruent.
A parallelogram has the 2 pair of opposite congruent sides, but a rectangle (special case of parallelogram) also has the four congruent angles.
This is a parallelogram. The first requirement is 2 pairs of congruent sides where the congruent sides are not adjacent. This is like a rectangle (excluding a square) that has two pairs of congruent sides where the congruent sides are not adjacent. But the angles are not all congruent (as set in the question) which pushes the shape into the "next less regular" shape, the parallelogram. The angles will not all be congruent, but it will have 2 pairs of congruent angles. There is no way to avoid the 2 pairs of congruent angles because of the requirement that the shape must have 2 pairs of congruent sides (the first requirement).
2 pairs of consecutive congruent sides