WAEC - Mathematics (1988 - No. 11)
What is the difference in longitude between P (lat. 50°N. long. 50°W) and Q (lat.50°N, long. 150°W)?
300o
200o
130o
100o
30o
คำอธิบาย
Let \(\theta\) be the angular difference between P (50°N. 50°W), and Q (50°N, 150°W),
\(\theta\) = 150° - 50° =100°
\(\theta\) = 150° - 50° =100°