12. quadrilateral abcd is dilated by a scale factor of 2, with the center of dilation
12. quadrilateral abcd is dilated by a scale factor of 2, with the center of dilation at the origin. the vertices of abcd are a(0, ), b(5,0), c(5,3), and d(0, 3). what are the coordinates of the image of vertex c under the dilation?