Question 915849


A cube has {{{6}}} faces. 

;{{{drawing( 200, 150,  -4.0, 4.0, -0.5, 5.5, 

            line (  0.0, 0.0,  3.0,  0.0),
            line (  0.0, 0.0,  0.0,  3.0),
            line (  0.0, 0.0, -2.0,  0.8),

            line (  0.0, 3.0,  3.0,  3.0),
            line (  3.0, 3.0,  3.0,  0.0),

            line (  0.0, 3.0, -2.0,  3.8),
            line ( -2.0, 3.8,  1.0,  3.8),
            line ( -2.0, 3.8, -2.0,  0.8),
      green(line (  1.0, 3.8,  1.0,  0.8)),

            line (  1.0, 3.8,  3.0,  3.0),
      green(line ( -2.0, 0.8,  1.0,  0.8)),
      green(line (  1.0, 0.8,  3.0,  0.0)),

            locate( 1.2,  0.1, a),
            locate(-1.5,  0.6, a),
            locate(-0.4,  2.1, a)
)}}}