Bobby draws an artwork measuring 2.25 inches by 2 inches. He makes a copy of the artwork enlarging it so that its dimension are now 3.15 inches by 2.8 inches. What scale factor did he use to create the copy of the original artwork
To find the scale factor, we divide the corresponding dimensions of the enlarged artwork by the original artwork.
For the dimensions:
Length scale factor = 3.15 inches / 2.25 inches = 1.4
Width scale factor = 2.8 inches / 2 inches = 1.4
Therefore, the scale factor he used to create the copy of the original artwork is 1.4.