You can use this calculator for the problems given below.
Name the type of quadrilateral formed. If any,by the following points,and give reasons for your answer:
1. (-1, -2) (1, 0) (-1, 2) (-3, 0)
2. (-3, 5) (3, 1) (0, 3) (-1, -4)
3. (4, 5) (7, 6) (4, 3) (1, 2)
