How do you use only four lines to touch only nine dots without overlapping?
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Connect 9 dots with 4 lines

While invisioning the dots as the buttons on a telephone's touch pad, draw a line from the 1, through the 4 and 7, all the way to the *. Without lifting your pen, draw a line from the *, through the 8 and 6, to a point just to the right of the 3. Now draw a line through the 3 and 2, to the 1. Finally, draw a line from the 1, through the 5, to the 9.

Answer

You don't say how the 9 dots are arranged so draw a square and put 9 dots anywhere on the lines of the square.

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First answer by ID2653151718. Last edit by Vestboy. Contributor trust: 8 [recommend contributor]. Question popularity: 35 [recommend question]

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