What is the answer to the 9 dot puzzle?

The problem is to connect the dots with no more than 4 straight lines without lifting your hand from the paper. First attempts are always frustrating. For one always comes up with 5 lines instead of 4. The solution lies in the observation that it’s permissible to cross square boundaries.

Can you join all nine dots?

Your task is to join all nine dots using only four (or less) straight lines, without lifting your pencil from the paper and without retracing the lines. If we had a thick pencil, we could join the dots with just three lines.

How do you connect 12 dots with 5 lines?

Use a pencil to draw five continuous straight line segments which go through the middle of all 12 dots without taking the pencil off the paper. You must also start and end at the same place.

How to connect nine dots with one straight line?

The single straight line solution Solution by rolling the paper Another well-defined problem for the nine dots starting point is to connect the dots with a single straight line.

Which is a problem for the nine dots starting point?

Another well-defined problem for the nine dots starting point is to connect the dots with a single straight line.

How to do nine dots on a sheet of paper?

Imagine the pattern of dots below drawn on a sheet of paper. Your task is to join all nine dots using only four (or less) straight lines, without lifting your pencil from the paper and without retracing the lines. Many people who try to solve this problem start with the assumption that the lines must be inside the square formed by the dots.

Why are 9 dots, 4 lines Puzzle used?

The ‘9 dots, 4 lines’ puzzle is often used to teach the value of ‘thinking outside the box’. But Mark McGuinness challenges the conventional explanation. Skip to main content