If the bearing of the side AB of a regular hexagon traverse ABCDEFA shown in the figure is 36°45', the bearing of the adjacent side BC of the traverse is:
1
83°15'
2
96°45'
3
156°45'
4
216°15'
If the bearing of the side AB of a regular hexagon traverse ABCDEFA shown in the figure is 36°45', the bearing of the adjacent side BC of the traverse is: