6) The base of a prism is an equilateral triangle 40ABin the xy plane with vertices at O(0,0,0), A(2,0,0) and B as illustrated in the diagram below. The lateral faces of the prism are squares. That is, every edge of the prism has the same length. i) Find the vector equation of the line containing the face diagonal BC. ii) Find the Cartesian equation for the plane in which the shaded face lies 2 C A/2. D.D