If the points A(1, 2), B(4, 3), C(1, 0) and D(p, -1) are the vertices of a parallelogram then, find the value of p.
If A (1,2), B (4, y), C (x,6) and D (3,5) are vertices of a parallelogram ABCD, find the values of x and y. [4 MARKS]
If the points A (6, 1), B (8, 2), C (9, 4) and D (p, 3) are vertices of a parallelogram, taken in order, find the value of p