Explain the contour line. - Vidyadip

Question

Explain the contour line.

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Answer

An almost accurate idea of the elevation of the earth's surface can give a method called contour lines.
The imaginary line connecting places of equal height at a recognized sea level is called the "contour line".
Contour lines are usually drawn at a distance of $20\ m.$
Sometimes it is even drawn at a distance of $50$ meters.
Contour lines are a combination of pictorial and mathematical methods.

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