Answer:

1. Yes because, this also means that a quadrilateral has exactly four vertices, and exactly four angles.
2. Yes because, all rectangles are parallelograms, but not all parallelograms are rectangles.
3. Yes because,  a rectangle is a parallelogram because its pairs of opposite sides are parallel. A rectangle also has the special characteristic that all of its angles are right angles
4. No because,  A trapezoid can never be a parallelogram. Trapezoids have only one pair of parallel sides. While a  parallelograms have two pairs of parallel sides.
5. Yes because, a rectangle has four side and a trapezoid as well so there both the same.