In the figure above, ABCD and BEFG are squares and points G and H are

In the figure above, ABCD and BEFG are squares and points G and H are on BC and EF, respectively. If the area of triangle DBH is 80 square meters, what is the sum of the areas of squares ABCD and BEFG?

(1) GF=8m
(2) GC=4m

Source: previous GMAT exam