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Why are both India's total coastline and land boundary expressed in kilometres?

Answer and explanation

Correct answer: Both are length or linear measures

A coastline and a land boundary are linear features: each traces a line of contact between two geographical units. Their extent is therefore measured as distance, commonly in kilometres. Square kilometres are used for area, such as the surface area of a country or a lake, whereas kilometres are used for the length of a border, road or river. A coastline may be irregular, so its measured value can vary with map scale and measurement method, but its basic dimension remains length. Option A is correct. Options B and C confuse length with area or proportion, while option D mistakes boundary measurements for angular coordinate values expressed in degrees.

Related tags

Linear MeasureCoastlineLand BoundarySize And ExtentIndia LocationGeographyClass 11 Mcq

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