Classify each statement as true or false.
1. A parallelogram is a quadrilateral.
2. Every rectangle is a parallelogram.
3. Every square is a rhombus.
4. The diagonals of a rectangles are congruent.
5. A rhombus is equilateral.
6. A rectangle is equiangular.
7. A square is equilateral and equiangular.
8. Two consecutive angles of a rectangle are supplementary,
9. The parallel sides of the trapezoid are called the legs.
10. The diagonal of every parallelogram are congruent.​