REMEMBER: Bearings are always measured clockwise from North and are given as 3 digits.
examples:
If you walk from O in the direction shown by the red arrow, you are walking on a bearing of 110 °.
Note that the first two bearings above are in directly opposite directions to each other.
They have different bearings, but they are exactly 180° apart as they are in opposite directions.
A line in the opposite direction to the third bearing above would have a bearing of 150° because 330° - 180° = 150°.
