Test Index

WAEC Geography 2018 Papers

Question : 1

Total: 50

Solution:

Concept:

A map scale expresses the relationship between a distance measured on the map and the corresponding actual distance on the ground.

Explanation:

From the map extract, the linear scale indicates that

1\ \text{cm}

on the map represents

0.5\ \text{km}

on the ground.

Convert the ground distance into centimetres:

0.5\ \text{km} = 0.5 \times 1000\ \text{m} = 500\ \text{m}

500\ \text{m} = 500 \times 100\ \text{cm} = 50{,}000\ \text{cm}

Therefore,

1\ \text{cm}

on the map equals

50{,}000\ \text{cm}

on the ground.

This gives the representative fraction as

1 : 50{,}000

Answer:

1:50{,}000

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