Which scale drawing is a dilation that decreased the size of the original object it represents? Figure 1 is the star with scale 1:5 , Figure 2 is the octagon with scale 2:0.5 , Figure 3 is the triangle with scale 10:1 , and Figure 4 is the pentagon with scale 1:0.1 .

Figure 4, the pentagon with a scale of 1:0.1, is a dilation that decreased the size of the original object it represents.