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Question
Answer the following question in brief.
What method would you use to measure the length of a river?
Solution
We use a twine method to measure the length of a river. In the twine method, a twine is placed along the feature to be measured from one end to the other, carefully following all the curves and bends. The length of the twine is then measured in centimeters or inches using a ruler or linear scale. Thereafter, this length is converted into kilometers or miles using the scale of the given map.
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RELATED QUESTIONS
Choose the correct answer
This is the ratio of the distance between two places on a map to the actual distance between the same two places on the ground.
Answer the following question in brief.
Convert the statement 1 cm = 100 km into an R.F. scale.
Answer the following question in one or two paragraphs.
Describe any two ways of representing a map scale.
Look closely at the political map of India in your atlas and make a note of your observations and calculations in your notebook.
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Practical work.
A rectangular plot of length 200 m and width 125 m was bought by a businessman to set up a cosmetic factory. Draw this plot reduced to size using the scale 1cm = 25m. Show your work in class.
