I solved it this way , hope it’s correct ;)
It only works if C is the midpoint of AB
Im not for sure on this but i would say DF is 13
False x is an angle Answer
Vertical line (when y = 0)
⇒ Equation : x = -1
Horizontal line (when x = 0)
⇒ Equation : y = -8
--------------------------------------------------------------
Answer: x = -1, y = -8
--------------------------------------------------------------
