Plan scale

At what scale is drawn plan of the building, where one side of the building is 45 meters long is on the plan expressed by a straight line 12 mm long.

Correct answer:

M 1:  3750

Step-by-step explanation:

$$\begin{gathered} M=12mm:45m \\ M=12mm:45000mm \\ M=1:3750 \end{gathered}$$

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