Answer:
FG will be 19 my dear sir
Step-by-step explanation:
lets start with eg. if eg is 30, then we know that the line is 30 in length. Now for ef. we know that ef is 11, so if we do 30 - 11, we get 19, and 11 + 19 = 30. so thats how we get FG + 19
hope it helps!