A 3*3 grid is coloured using red and blue colours such that if we rotate the grid about it's center in the plane by 180 degrees, the grid looks the same.the number of ways to colour the grid this way is..

• 2 ways....
• 11 years agoHelpfull: Yes(1) No(1)
• 2 ways
  given that it is a cube
  1 way is to color adjacent face of a cube
  2 way is to color opposite face of a cube
• 11 years agoHelpfull: Yes(1) No(1)