D: 86 degrees

F: 50 degrees
E: 44 degrees
Answer choices;; Image with alt text: line segment D E ; Image with alt text: line segment E F ; Image with alt text: line segment F D ;; Image with alt text: line segment F D ; Image with alt text: line segment E F ; Image with alt text: line segment D E ;; Image with alt text: line segment F D ; Image with alt text: line segment D E ; Image with alt text: line segment E F ;; Image with alt text: line segment E F ; Image with alt text: line segment D E ; Image with alt text: line segment F D

The correct answer is:

Image with alt text: line segment F D ; Image with alt text: line segment E F ; Image with alt text: line segment D E