Neco 2017 Geography Question 3

Practice practical question 3 from the 2017 Neco Geography examination. This question covers Latitude and Longitude, Map Scale, Distance Calculation .

Neco 2017 Geography Practical

Topics: Latitude and Longitude Map Scale Distance Calculation

Question 3 NECO • 2017 • GEOGRAPHY • practical

A world map with a scale of 1 cm : 200 km is provided. The coordinates of two Nigerian cities are given as follows: City A: 6°30' N, 3°20' E City B: 9°15' N, 7°45' E

Question Parts

( a )

Convert the coordinates of each city to decimal degrees.

( b )

Determine the difference in latitude (Δφ) and longitude (Δλ) between the two cities in decimal degrees.

( c )

Using the mean latitude, calculate the approximate straight‑line distance between the cities with the formula: Distance ≈ √[(Δφ·111 km)² + (Δλ·111 km·cos φ̄)²] Show all steps and give your answer in kilometres (km) to the nearest kilometre.

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About This Question

This is Neco 2017 Geography Question 3. It is one of the practical questions from the 2017 Neco Geography examination.

The question covers Latitude and Longitude, Map Scale, Distance Calculation .

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