Neco 2023 Geography Question 3

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

Neco 2023 Geography Essay / Theory

Topic: Latitude and Longitude

Question 3 NECO • 2023 • GEOGRAPHY • essay

The coordinates of Lagos are 6°27'N, 3°22'E and those of Kano are 12°00'N, 8°30'E. Using the spherical Earth model with a radius of 6 371 km, answer the following:

Question Parts

( a )

Calculate the great‑circle distance between Lagos and Kano using the formula \(d = R\,\arccos\bigl(\sin\phi_1\sin\phi_2 + \cos\phi_1\cos\phi_2\cos\Delta\lambda\bigr)\). Show all steps and give your answer to the nearest kilometre.

( b )

Estimate the east‑west component of the distance by assuming that one degree of longitude at the mean latitude equals \(111.32 \times \cos\phi\) km. Show your calculation.

( c )

Determine the time difference between the two cities based on their longitudes (15° of longitude = 1 hour). Express the answer in hours and minutes.

( d )

Discuss briefly how latitude influences the climate of Nigeria, citing at least two climatic effects associated with the latitudinal position of the country.

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About This Question

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

The question covers Latitude and Longitude .

View More Neco 2023 Geography Questions More Neco Practice Questions Back to Questions

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