A map uses a scale to represent real distances. Scale 1 cm = 100 km means: if the map shows 3 cm between two cities, actual distance = 3ร100 = 300 km. Reading a map: find the scale (usually at bottom or corner). Measure the map distance with a ruler. Multiply by the scale factor. India is about 3,000 km from north to south โ on a 1:5,000,000 scale map that is 60 cm.
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