WAEC - Mathematics (2003 - No. 45)
The bearing of P from Q is x, where 270o < x < 360o. Find the bearing of Q from P
(x - 90)o
(x-270)o
(x - 135)o
(x - 180)o
คำอธิบาย
Bearing of Q and P
\(180^{\circ} – (360^{\circ}-x)\)
180\(^{\circ}-360^{\circ}\)+x
-180\(^{\circ}\) + x
x - 180\(^{\circ}\)