Mathematics for IGCSE & O level - Scale Drawings (Section 3 - No. 15)
If the bearing of B from A is 310 degrees, what is the bearing of A from B?
50 degrees
130 degrees
230 degrees
310 degrees
ব্যাখ্যা
Since 310 is greater than 180, subtract 180: 310 - 180 = 130 degrees.