To draw a figure with 1 : 1 scale, draw the the figure in actual size
The scale factor can be defined as the ratio between the original size of the figure and the new size of the figure.
While scale factoring the shape of the object will be same but the size changes
Here the given ratio = 1 : 1
The means the scale factor = 1/1
= 1
When the scale factor is equal to one, the the size of the original object and the size of the new object will be same
Therefore, 1 : 1 scale bar is the drawing with actual size of the object
I have solved the question in general, as the given question is incomplete
The complete question is
How do you draw a figure with 1 : 1 scale bar ?
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