Neco Model Questions Vol1 2023 Geography Question 3

Practice essay / theory question 3 from the 2023 Neco Model Questions Vol1 Geography examination. This question covers Latitude and Longitude .

Neco Model Questions Vol1 2023 Geography Essay / Theory

Topic: Latitude and Longitude

Question 3 NECO_MODEL_QUESTIONS_VOL1 • 2023 • GEOGRAPHY • essay

A map of Nigeria shows the coordinates of three towns: - Town A: 7°30'N, 5°00'E - Town B: 8°15'N, 6°45'E - Town C: 6°45'N, 4°30'E Assume the Earth is a sphere with a mean radius of 6 371 km. For the purpose of this question use the approximations: - 1° of latitude ≈ 111 km - 1° of longitude at latitude φ ≈ 111 km × cos φ (use the average latitude of the two points involved). Answer the following:

Question Parts

( a )

Calculate the approximate north‑south distance between Town A and Town B.

( b )

Calculate the approximate east‑west distance between Town A and Town C. Use the average latitude of the two towns for the cosine correction.

( c )

Using the results above, determine the straight‑line distance between Town B and Town C by treating the north‑south and east‑west separations as the perpendicular sides of a right‑angled triangle. Comment briefly on the reliability of this method for real‑world distances.

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About This Question

This is Neco Model Questions Vol1 2023 Geography Question 3. It is one of the essay questions from the 2023 Neco Model Questions Vol1 Geography examination.

The question covers Latitude and Longitude .

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