Question

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Answer 1

Answer:

To represent distances you have measured in the field on a piece of paper, you need to scale them down. This means that you must reduce the size of the distances proportionally according to a scale. The scale expresses the relationship which exists between the distance shown on a drawing or map and the actual distance across the ground. There are three ways of expressing the scale of a drawing:

as a numerical equivalent such as " 1 cm = 20 m", which you should read as "1 cm on the plan represents 20 m on the ground";

as a ratio such as " 1: 2 000" which you should read as " 1 cm on the plan represents 2 000 cm = 20 m on the ground";

graphically, with a line that is marked off into drawing distances that correspond to convenient units of distance on the ground

Answer 2

Answer:

answer above

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