Three vertices of a parallelogram ABCD are A(-2,3) ,B(6,7) and C(8,3) find the fourth vertexD

Three vertices of a parallelogram ABCD are A(-2,3) ,B(6,7) and C(8,3)

1.	Three vertices of a parallelogram ABCD are A(-2,3) ,B(6,7) and C(8,3) find the fourth vertexD
Answer» Let d = x and y Use mid point formulaAnd than solve Answer is D( 0,-1)