What is the meaning of blueprint scale and how is it used to translate drawing dimensions to actual part size?

• A. Scale is the ratio of drawing size to real size; multiply drawing dimensions by the scale factor to obtain real dimensions.
• B. Scale is the difference between drawing units and real units; add a fixed value to dimensions to obtain real size.
• C. Scale is the color coding of the blueprint; ignore it for size.
• D. Scale is the measurement of the thickness of the drawing paper.

Answer: (A)