how many squares r there in chess board

• ans:204
  1X1 square 8*8=64
  2X2 7*7=49
  3x3 6*6=36
  4*4 5*5
  .
  .
  8*8 1*1=1
  64+49+36+25+16+9+4+1=204
  
  
• 11 years agoHelpfull: Yes(5) No(0)
• in n(n+1)(n+2)/2=204 squares
• 11 years agoHelpfull: Yes(4) No(6)
• 1, 8x8 square
  4, 7x7 squares
  9, 6x6 squares
  16, 5x5 squares
  25, 4x4 squares
  36, 3x3 squares
  49, 2x2 squares
  64, 1x1 squares
  64 + 49 + 36 + 25 + 16 + 9 + 4 + 1 =204
• 11 years agoHelpfull: Yes(2) No(0)
• sorry n(n+1)(2n+1)/2=204
• 11 years agoHelpfull: Yes(1) No(5)
• 204
  1 8*8
  4 7*7
  9 6*6
  16 5*5
  25 4*4
  36 3*3
  49 2*2
  64 1*1
• 11 years agoHelpfull: Yes(0) No(0)
• 204
  8^2+7^2+6^2+5^2+4^2+3^2+2^2+1
• 11 years agoHelpfull: Yes(0) No(0)
• (n*(n+1)*(2n+1))/6=204
  here n=8;
• 10 years agoHelpfull: Yes(0) No(0)