Puzzle time! Move three (and only three) matches and position them to create just four, i.e four and only four, (identical) triangles. No cutting the matches, either!
Click on to see the answer…
And here is the solution:
This entry was posted on January 13, 2015 at 10:06 am and is filed under Cute Problems with tags geometry, matches, mathematics. You can follow any responses to this entry through the RSS 2.0 feed.
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I can make SIX identical triangles, but I think you mean four and only four….
Take the three matches from one triangle and prop them together on the other triangle to make a tetrahedron.
Nice work Mark! Now, can you make six and only six triangles by moving three matches?
Please hide the solution in a link or something. Both pictures were starting at me as I opened the post.😦
That’s exactly what I did. You should have to click to see the second image..
Just updated Firefox, still immediately visible.
Firefox? Is that still a thing?
Definitely. Just tried IE: same result (picture visible as soon as the page is loaded). Just tried Opera: same result.
There is no picture in LYNX. 🙂
HTML validation reports 49 errors and 30 warnings. Usually, when something doesn’t work correctly in all browsers, there is some bad HTML somewhere.
I just tried it on my Firefox and it works fine. I get a highlighted link saying “continue reading” and only by clicking that do I get the second picture…
My comment added an additional error. 😦
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