Worked Example 1
A village lies due south west of a town. What is its bearing from the town?
Start from north and go clockwiseSouth west sits halfway between south (180) and west (270).
Work out the halfway value180 + 45 = 225 degrees.
Write it properlyWritten as 225 degrees. Only bearings under 100 need a zero at the front.
Worked Example 2
The bearing of a lighthouse from a ship is 130. What is the bearing of the ship from the lighthouse?
Decide which way the rule goes130 is less than 180, so add.
Calculate130 + 180 = 310 degrees.
Check it makes sense130 points roughly south east, so the return should point roughly north west, and 310 does.
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