Mathematics for IGCSE & O level - Scale Drawings (Section 3 - No. 18)
If point A is on a bearing of 045° from point B, what can you say about point B's bearing from point A?
It is also 045°.
It is 135°.
It is 225°.
It is 315°.
解释
To get the reverse bearing, add 180 degrees. 45 + 180 = 225.