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

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