Question

If points A(-2, -1), B(a, 0), C(4, b) and D(1, 2) are the vertices of a parallelogram ABCD, find the values of a and b.

Answer 1

$\bf \huge {\underline {\underline \red{AnSwEr}}}$

We have to prove that the opposite side of quadrilateral aur parallelogram are parallel therefore the automatically the given vertices is of parallelogram

Answer 2

Answer:

a = 1 and b = 3

Solution in the attachment .