Mathematics for IGCSE & O level - Scale Drawings (Section 1 - No. 33)
If a bearing is greater than 180°, how is the reverse bearing found?
Add 180°
Subtract 180°
Divide by 2
Multiply by 2
הֶסבֵּר
If the bearing is greater than 180°, the reverse bearing is found by subtracting 180°.