Subject :IMO Class : Class 10
If (–2, 1), (a, 0), (4, b) and (1, 2) are the vertices of a parallelogram, then
(i) Find a
(ii) Find b
(iii) Area of the parallelogram.
| (i) | (ii) | (iii) | |
| A | 1 | –1 | 10 sq. units |
| B | 1 | –2 | 6 sq. units |
| C | 1 | 1 | 6 sq. units |
| D | –1 | –1 | 6 sq. units |
C) 1, 1, 6