Waec Model Questions Vol1 2017 Geography Question 3

Practice practical question 3 from the 2017 Waec Model Questions Vol1 Geography examination. This question covers Latitude and Longitude .

Waec Model Questions Vol1 2017 Geography Practical
Topic: Latitude and Longitude
Question 3 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • GEOGRAPHY • practical

A field survey was carried out to determine the straight‑line distance between Village X and Village Y. The GPS readings recorded the following geographic coordinates: - Village X: Latitude 5°30' N, Longitude 7°45' E - Village Y: Latitude 5°45' N, Longitude 8°10' E Assume the Earth is a sphere of radius 6371 km and use the following approximations for small distances: - 1° latitude = 111 km - 1° longitude = 111 km × cos(mean latitude) Answer the following questions:

Question Parts

( a )
Calculate the north‑south distance between the two villages in kilometres.
( b )
Calculate the east‑west distance between the two villages in kilometres (use the mean latitude of the two villages).
( c )
Using the results of (a) and (b), determine the straight‑line distance between the villages (treat the north‑south and east‑west components as perpendicular).
( d )
If a motorbike travels at an average speed of 40 km/h along the straight line, estimate the travel time in hours and minutes. Discuss two possible sources of error that could affect the distance obtained from the GPS readings.

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About This Question

This is Waec Model Questions Vol1 2017 Geography Question 3. It is one of the practical questions from the 2017 Waec Model Questions Vol1 Geography examination.

The question covers Latitude and Longitude .

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