What is the area of this trapezoid? 108 in² 139.5 in² 166 in² 171 in² Trapezoid A B C D with parallel sides D C and A B. Point F and E are on side D C. Point F is connected to point A by a dotted segment. Point E is connected to point B by a dotted segment. A B E F is a rectangle. D F is 2 inches. E C is 5 inches. E B is 9 inches. A B is 12 inches.