Show that the planes ACG and BEH defined by the vertices of the cube shown in Figure are parallel. What is their distance if the edge length of the cube is 1 meter?
https://cdn.artofproblemsolving.com/attachments/c/9/21585f6c462e4289161b4a29f8805c3f63ff3e.png geometry3D geometrycubeparallelDurer