What is the difference in longitude between P (lat. 50°N. long. 50°W) and Q (lat.50°N, long. 150°W)?

  • A 300o
  • B 200o
  • C 130o
  • D 100o
  • E 30o
waec 1988mathematics

The correct answer is D. 100o

Let \(\theta\) be the angular difference between P (50°N. 50°W), and Q (50°N, 150°W),

\(\theta\) = 150° - 50° =100°

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