Plug In numbers for the sides. Let AD = 4, so EG = 8. Let l = 3. The area of ABCD = 3 × 4 = 12, and the area of EFG =
1
2
(3 × 8) = 12. The two quantities can be equal, so eliminate (A) and (B). Try changing your numbers, and you will see that the two quantities will always be equal.