Imperial ruler triangular How do scale factors work for area and volume?
US American Standard 12" Imperial Scale 3/32 3/16 1/8 1/4 3/8 1/2 3/4 1
Scale 1:2 Vs 2:1
Us american standard 12" imperial scale 3/32 3/16 1/8 1/4 3/8 1/2 3/4 1 Factors enlarging