Answer:
x=83º
Step-by-step explanation:
The interior angle sum of a Hexagon is 720º
146+169+59+129+134+x=720
x=720-637
x=83
15.6?
If you would square it then you would get 15.6.
here. I don't know if its right but i hope it is.
c
Step-by-step explana i think its right