The figure whose vertices are the points O(0, 0), A(5, 0), B(5, 5) and C(0, 5) is ___
In ΔABC and ΔDEF, AB = DE, AB || DE, BC = EF and BC || EF. Vertices A, B, and C are joined to vertices D, E and F respectively ( see the given figure). Then, quadrilateral ACFD: