true or false

1. Diagonals of parallelogram bisect each other.

2. Supplementary angles are two angles where sum is 180°.

3. A parallelogram is quadrilateral.

4. All angles of rhombus is 90°.

5. opposite angles of parallelogram are congruent.

6. Adjacent angles of parallelogram are complementary.

7. Any two consecutive angles of a parallelogram are supplementary.

8. Rectangle is not parallelogram.​