1. How many pairs of adjacent sides are there in a quadrilateral?
2. How many pairs of opposite angles are there in a quadrilateral?
3. How many pairs of opposite sides are there in a quadrilateral?
4. How many pairs of adjacent angles are there in a quadrilateral?
5. Which of the following statements is false?
6. How many vertices are there in the following figure?
7. How many sides are there in the following figure?
8. How many diagonals are there in the follow-ing figure?