Its c the answer is c because 8+4 is 12 and if you get rid of the angle and move the line so it’s straight it would be both 8 and 4
Solution:
we are given that
If G is the midpoint of FH, it mean that

we are also given that

So we can write

So 
Answer: idk dont know need more info
Step-by-step explanation:
It is not possible to draw here. I am attaching the diagram along with the answer. I hope the diagram will be clear for you to understand. I also hope that this is the answer that has actually come to your desired help. You can draw it with pencil, if you want to make it perfect.