Verified Answer :

olya98
  1. Square: 4 angles, two pairs of parallel sides, all sides congruent.
    2. Parallelogram: 4 angles, two pairs of parallel sides which are congruent. 
    3. Rectangle: 4 right angles, two pairs of parallel sides, all sides are congruent.
    4. Trapezoid: 4 sides, one pair of parallel sides which don't have to be congruent.
Gen08

The answers are 1. Square: 4 angles, two pairs of parallel sides, all sides congruent.

  1. Parallelogram: 4 angles, two pairs of parallel sides which are congruent.
  2. Rectangle: 4 right angles, two pairs of parallel sides, all sides are congruent.
  3. Trapezoid: 4 sides, one pair of parallel sides which don't have to be congruent.