Hijk is a parallelogram because the midpoint of both diagonals is which means the diagonals bisect each other.

a. (1,-1)
b. (1,1)
c. (1,0)
d. (0,1)

quickly !

ANSWER

The midpoint of both diagonals is


EXPLANATION

We can use either diagonals to determine the midpoint.

We use the midpoint formula



Let us use the first diagonals H(-2,2) and J(4,-2)







Using the second diagonals also gives,