7. MGSE8.G.3: Square ABCD is located on a coordinate plane. The coordinates for three of the vertices are listed below A. 2,7 C (8.1) D 2,1 Square ABCD is dilated by a scale factor of 2 with a certer of dilation at the orgin, to form square A'B'C'D'. Part A: Determine the coordinate of vertex B. Explain how you determined your answer. Part B: What are the coordinates of the four vertices for square A'B'C'D? Explain how you determined Your answer