scale factor
scale drawing
scale factor
scale factor
scale factor
scale factor
scale factor
scale drawing
scale factor
scale factor
scale factor
scale factor
scale factor
scale factor
scale drawing An example might be 4:1 This is a ratio in its simplest form (it cannot be further simplified mathematically) and it's expressed with no units (not in inches or milimeters etc).
scale factor
scale factor
if it is a ratio you do not put it in simplest form but here is the answer anyways 1/10.