Triangle D E F is cut by line segment A B. Line segment A B goes from side D E to side F E. Lines D F and A B are parallel. The length of A B is 4.2 feet, the length of D A is 2 feet, the length of F B is 2.4 feet, and the length of B E is 7.8 feet. What is the perimeter of TriangleAEB? 16.4 ft 18.5 ft 18.7 ft 22.9 ft
