The scale factor of the drawing is 0.01
Scale factor is used to scale shapes in different dimensions.
In other words, Scale factor is described as the number or the conversion factor which is used to change the size of a figure without affecting its shape.
Therefore, scale factor can be represented mathematically as follows:
Scale factor = dimensions of the new shape ÷ dimensions of the original shape.
Hence he he uses the scale 10 millimetres equals to 2 meters.
10millimetres = 2meters
1 meter = 1000 millimetres.
Therefore, the scale factor of the drawing is as follows:
scale factor = 10 / 1000
scale factor = 1 / 100
scale factor = 0.01
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