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| Acmlm's Board - I2 Archive - Brain Teasers - Matches |
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Smallhacker Green Birdo SMW Hacking Moderator Level: 68  Posts: 10/2273 EXP: 2647223 For next: 81577 Since: 03-15-04 From: Söderhamn, Sweden Since last post: 10 hours Last activity: 9 hours |
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| Here's a problem for you. Take 6 matches. Try to make 4 triangles without breaking any of the matches. | |||
Dish Spiny Level: 38 Posts: 1/596 EXP: 355646 For next: 14801 Since: 03-15-04 From: Disch Since last post: 18 days Last activity: 18 days |
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here's a crude picture of my answer:there's 2 smaller triangles in the top section. Those two combined make a 3rd triangle, and the one at the bottom is the fourth. |
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Acmlm Torosu heh Level: 51  Posts: 59/1173 EXP: 981994 For next: 31944 Since: 03-15-04 From: Somewhere that isn't outside of Sherbrooke, Québec, Canada Since last post: 39 days Last activity: 3 hours |
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| Hmm, do they all need to be the same size, and form nothing else than 4 triangles (no lines exceeding)? Because in Disch's above, the top middle one is a little shorter than the rest ... I found another solution that should work: ____ \/\/ /\/\ |
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Smallhacker Green Birdo SMW Hacking Moderator Level: 68 Posts: 13/2273 EXP: 2647223 For next: 81577 Since: 03-15-04 From: Söderhamn, Sweden Since last post: 10 hours Last activity: 9 hours |
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| Sorry if I wasn't clear enough. They must be the same size. Hmm... That seems to be 4 triangles, Acmlm, so I guess you win. However, that wasn't the solution I was thinking about. Make a triangle first. ../\ /__\ Then it's not 2D any more. Think in three dimensions. Build a pyramid on top of it. 3 sides and one bottom. 4 triangles. |
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KATW King Yoshi "If you stare at something long enough, it can be funny." Level: 86  Posts: 61/3959 EXP: 6087979 For next: 54128 Since: 03-15-04 Since last post: 7 hours Last activity: 5 hours |
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| .. /\ . ---- /_\/_\ One match per side, three matches in the middle... lotsa triangles.... did you want EXCTLY four? (edited by Kirby all the way on 03-15-04 05:29 PM) |
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Acmlm Torosu heh Level: 51 Posts: 87/1173 EXP: 981994 For next: 31944 Since: 03-15-04 From: Somewhere that isn't outside of Sherbrooke, Québec, Canada Since last post: 39 days Last activity: 3 hours |
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Ah, I would have never thought of that 3D solution, but it does work ... and I just noticed mine has 4 small triangles and 2 bigger ones, for a total of 6  |
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