In the diagram, the circle will be dilated by a scale factor of 3 about the origin. The points C, A, and B map to C’, A’, and B’ after the dilation. What is the length of ? Use the distance formula to you decide: . Graph of properties of dilations on a coordinate plane. Circle is centered at point C equals (8, 10) in quadrant 1. Point A equals (8, 15) on top, and point B equals (12, 13) on top right are marked on circumference. A. 5 units B. 15 units C. 21 units D. 24 units E. 45 units