Answer:
640 cm^2
Step-by-step explanation:
Hope it is helpful....
1×3 or 3×3 I think...........
A (5, 4) and B( 5, -2) is 6 units
E(-2, -1) and F(-2, -5) is 4 units
G(3, -5) and H(6, -5) is 3 units
C(-4, 1) and D(1, 1) is 5 units