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UI Post-UTME Mathematics 2012 Question 8

Question 8

Latitude and Longitude

Find the radius of the parallel latitude of latitude 50°N, given that R = 6400km

  1. A.3273km
  2. B.4114km
  3. C.4270km
  4. D.1212km
Show the answer and explanation

Answer: B (4114km)

Explanation

r = R cos 50° = 6400 × 0.6428 ≈ 4114 km.