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| Description: How could you draw four straight lines that pass through all nine dots without lifting your finger from the page and without touching any dot more than once? A line must pass through each point. Can you do it? Most people have difficulty with this problem because they have a mental set to interpret the arrangement of dots as a square. They then assume that they can’t extend a line beyond the apparent boundaries of the square. Now that you know this, try again; does knowing that your lines can extend beyond the square formed by the nine dots help you solve the problem? Picture Stats: Views: 142 Filesize: 22.17kB Height: 366 Width: 396 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=41805 |