How to connect 9 dots with a single straight line

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“Can you connect nine dots with four straight lines?”

I ran into this question at a creativity lecture at my school. Instantly I came up with this solution. If you’d like to find your own solution, stop scrolling for a minute.





Here is a famous solution where you can connect with four lines.



Here’s my own solution where you can connect with a single line.
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1. First draw nine dots.

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2. Cut it out.

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3. Fold it into four as above.

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4. Fold one short side as a triangle. The side should overlap with the lines where it needs to be connected.

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5. Then it should look like above.

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6. Now get your paint.

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7. Paint once like above.(You can use a brush)

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8. It worked! Kinda…….

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9. With a marker it looks prettier 😀


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