Descriptive Geometry
Assignment A7 2020/21/1

Given the line  e = XY  and the point F. Construct the cube ABCDA_xB_xC_xD_x, if its edge AB lies on e and the midpoint of the opposite edge CD of face ABCD is F. Choose the upper solution in the space, and show the visibility  X(0, 180, 235);  Y(120, 35, 160);  F(120, 95, 230).