Write YES if the answer is correct. Write No if it is false and explain
briefly why it is not correct.
______ 1. All parallelograms are quadrilaterals.
______ 2. A trapezoid is a parallelogram.
______ 3. A square is a rectangle.
______ 4. Quadrilateral is a three-sided polygon.
______ 5. Every rhombus is also a trapezoid.