The figure shows the front of a building in the shape of a trapezoid. What is the area of this trapezoid?

102 ft²

132 ft²

168 ft²

204 ft²
Isosceles trapezoid A B C D with parallel sides B C and A D. A D is 17 feet. BC is 11 feet. A dotted segment runs from B to E where E is on side A D and angle B E F is a right angle. A dotted segment runs from point C to F where F is on side A D. Angle C F E is a right angle. CF is 12 feet.