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how do you connect 9 dots with 4 lines without picking up a pencil

by Dr. Gayle Sporer Published 3 years ago Updated 3 years ago

Get a pen and some paper and copy the nine dots arranged in a square below. To solve the problem, you need to join all nine dots by drawing no more than four straight lines. The straight lines must be continuous – i.e. you must not lift your pen from the paper once you start drawing. Don’t read any further until you’ve tried to solve the problem.

Part of a video titled Connect 9 Points With 4 Line Segments Without Lifting Up ...
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So the second line segment would come in at an angle and intersect these two points here and againMoreSo the second line segment would come in at an angle and intersect these two points here and again it's going to be extended beyond the nine points out to here.

Full Answer

How do you connect 9 dots without lifting the pencil?

28/12/2021 · Your goal is to connect all nine dots with just four (or less) straight lines, without taking your pencil from the page and without retracing the lines you have already drawn. Alternatively, fold the paper three times so that the rows of dots all line up, and then fold it again to allow the pencil to pass through! Also, do you know what the 9-dot puzzle is? The "nine dots" …

Can you connect all 9 dots with four straight lines?

19/05/2020 · 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. Yet another solution is to fold the paper in three, so the rows of dots all line up, and fold it again and poke the pencil through!

How do you connect 9 dots on a paper?

11/08/2021 · Step 1. Draw a straight line down from the very first dot (in other words, draw a left side of the square), but make it a bit longer, as if there was the fourth dot below; Step 2. From this point, you lead the next line to the last dot of the second column and then to the second dot of the third column.

How do you draw 4 lines without taking the pen off?

11/11/2021 · You have not broken any rules — four lines connect nine dots, and you have drawn them without taking your pencil off the paper. The point is that no one told you to stay in the frames of the square — and that is the most important clue here. ... What is it called when you draw without picking up pencil? ... It is done without picking your pencil off of the paper. … “A …

How do you solve 9 dots with 4 lines?

0:382:159 dots problem | Join with 4 lines (Experts) | Join with 3 lines (Masters)YouTubeStart of suggested clipEnd of suggested clipJoining the corners and the center then continue drawing the second line along the length andMoreJoining the corners and the center then continue drawing the second line along the length and stretch it outside the box. Now draw the third line by joining the two middle dots.

Can you join 9 dots with four straight lines without taking your pencil off the paper you can not go over any line?

To solve the problem, you need to join all nine dots by drawing no more than four straight lines. The straight lines must be continuous – i.e. you must not lift your pen from the paper once you start drawing.

What are the conditions?

So, imagine there are three equal rows that consist of three dots each. What you have to do is to draw four straight lines to connect all of the dots. However, the challenge is to avoid lifting the pencil off the paper. You can start from any position you want, but the main requirement is to draw everything with a pencil stuck to the sheet.

How to solve the 9 dots puzzle?

First of all, we need to consider several things before we solve the problem. Everyone knows that a square has four sides and two diagonal lines. However, this information will only confuse us in this case. There are not less than twenty lines that we can draw, connecting nine dots:

Are there any creative solutions of the 9 dots 4 lines puzzle?

Nowadays there are 12 different solutions to this problem, thanks to the people who managed to come up with their unusual ideas.

What lessons can we learn from this puzzle?

To begin with, it encourages us to look beyond the problem definition. We analyze it and realize what is allowed and what is prohibited in this task. Then we can think of other meanings of what we have just read. It is also important to define if the task is correct — in other cases, there is no solution at all.

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