JAMB - Mathematics (1985 - No. 30)
The bearing of a bird on a tree from a hunter on the ground is N72oE. What is the bearing of the hunter from the birds?
S 18o W
S 72o W
S 72o E
S 27o E
S 27o W
説明
B = Bird ; H = Hunter.
Bearing of the hunter from the bird = S 72° W.