Search This Blog

Loading...

Hard Count Number Triangles Puzzle

Hard Count Number Triangles Puzzle - 15 November

Can you count the number of triangle on the puzzle below ?














For Solution : Click Here

10 comments:

  1. This comment has been removed by the author.

    ReplyDelete
  2. There are 9 straight lines such that every line meets every other line, so you will expect 9 choose 3 triangles. However, 2*5 choose 3 of these triplets of lines will meet at one point. Therefore, the total number is 9 choose 3 - 2* 5 choose 3 = 64 triangles.

    ReplyDelete
  3. 8 trangles 5 cquares 2 kites i dimiond to be exated

    ReplyDelete