Answer:1. Square: All sides are equal, and all angles are right angles (90 degrees).2. Rectangle: Opposite sides are equal, and all angles are right angles.3. Rhombus: All sides are equal, but angles are not necessarily right angles.4. Trapezoid (or Trapezium): At least one pair of opposite sides is parallel.5. Parallelogram: Opposite sides are equal and parallel, and opposite angles are equal