Neco 2021 Geography Question 3

Practice practical question 3 from the 2021 Neco Geography examination. This question covers Latitude and Longitude, Distance calculation, Map scale .

Neco 2021 Geography Practical

Topics: Latitude and Longitude Distance calculation Map scale

Question 3 NECO • 2021 • GEOGRAPHY • practical

Two towns are located at the following geographical coordinates: Town X: 6° 45' 30" N, 3° 12' 15" E Town Y: 7° 10' 20" N, 3° 45' 50" E The map used for the survey has a scale of 1 cm : 20 km. Answer the following:

Question Parts

( a )

Convert the coordinates of both towns to decimal degrees (to four decimal places).

( b )

Using the average latitude of the two towns, estimate the straight‑line distance between them. (Take 1° latitude ≈ 111 km and 1° longitude ≈ 111 km × cos (mean latitude)). Give the answer in kilometres, rounded to the nearest kilometre.

( c )

State the distance between the two towns on the map in centimetres.

( d )

Mention one possible source of error that could affect the distance obtained in part (b).

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About This Question

This is Neco 2021 Geography Question 3. It is one of the practical questions from the 2021 Neco Geography examination.

The question covers Latitude and Longitude, Distance calculation, Map scale .

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