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WAEC Mathematics 1988 Question 11

Question 11

Latitude and Longitude

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

  1. A.300°
  2. B.200°
  3. C.130°
  4. D.100°
  5. E.30°
Show the answer and explanation

Answer: D (100°)

Explanation

Both longitudes are west, so subtract: 150° − 50° = 100°.