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64 = 65? Yes It Does [Video]

Hits: 32011 | Rating: (1.8) | Category: Science | Added by: fancylad
Page: 1 2 Next >   Jump to: Bottom    Last Post
PringleMan
Female, 13-17, Canada
 1364 Posts
Saturday, October 09, 2010 7:57:46 PM
does this work? don't you have to separate with the units whole?

atm
Female, 13-17, Midwest US
 127 Posts
Tuesday, February 23, 2010 2:02:59 PM
I Understand this. But 64 cant be 65, or 64 would be 65. But 64 is just 64. And thats all.

happygrass
Male, 18-29, Western US
 86 Posts
Thursday, February 18, 2010 2:08:42 AM
basic algebra.

OldOllie
Male, 60-69, Midwest US
 14116 Posts
Monday, February 15, 2010 10:23:55 PM
The easiest way to explain this is that in the final configuration, the two lines comprising the tops of the green and orange shapes do not together form a straight line. The slope of a line is the rise divided by the run. The line atop the green triangle has a rise of 3 and a run of 8, and therefore, a slope of 0.375. The line atop the orange shape has a rise of 2 and a run of 5, and therefore, a slope of 0.4.

This results in a gap in the shape of a very thin parallelogram with an area, as MrRubik explains, of 1 unit. The width at its widest -- in the center between the green and red triangles -- is approximately 0.117 units. (1/sqrt(73))


Dfaulted
Male, 13-17, Canada
 1932 Posts
Monday, February 15, 2010 5:24:24 PM
whoever thinks this works is dumb, when you multiply something it wont make the same answer as something else, 8x8=64 5x13=65

davymid
Male, 30-39, Europe
 12074 Posts
Monday, February 15, 2010 12:53:31 PM
this one works because its assumed that the lines are all perfectly straight, they aren't.

They are. That's not how this works. Read the comments.


MrRubik
Male, 13-17, Europe
 69 Posts
Monday, February 15, 2010 10:31:50 AM
@TKD master
the gap in the middle DOES matter
it's very thin, but long so it makes 1cm^2.
check out murderous maths.co.uk if u dont believe me.

Xutar
Male, 13-17, Midwest US
 158 Posts
Monday, February 15, 2010 8:07:14 AM
this one works because its assumed that the lines are all perfectly straight, they aren't.

TKD_Master
Male, 18-29, Midwest US
 4827 Posts
Monday, February 15, 2010 8:05:01 AM
"The two "triangles" are slightly concave, so the second square has a minuscule gap in it."

a gap in the middle wouldnt matter, it'd still be 5x13. they very slightly changed every slope, very very very freaking slightly. with many different slopes, they can change each one by just a hair and make it all fit.


Kalkin
Male, 18-29, Western US
 44 Posts
Monday, February 15, 2010 7:24:28 AM
The two "triangles" are slightly concave, so the second square has a minuscule gap in it.

neosophist
Male, 18-29, Eastern US
 137 Posts
Monday, February 15, 2010 7:20:51 AM
a simply tangram messed up everyone. love it.

panth753
Female, 18-29, Midwest US
 8857 Posts
Monday, February 15, 2010 6:45:24 AM
If that doesn't make you feel dumb, then nothing will.

IQover
Male, 13-17, Europe
 1046 Posts
Monday, February 15, 2010 5:56:48 AM
Lolwut?
Why do we even try to understand math?

MisuriX
Male, 18-29, Europe
 514 Posts
Monday, February 15, 2010 5:54:25 AM
1/3*3 only = 1 when 1/3*2 is put to decimal places.

i.e. 0.33333' + 0.33333' = 0.66666', which is deccmalised to 0.66667, so + 1/3 = 1

so this video is mathematically wrong as generalizations are being used to solve it.


pui
Female, 18-29, Canada
 3550 Posts
Monday, February 15, 2010 4:35:08 AM
I hate math.

MissDaae
Female, 13-17, Southern US
 19 Posts
Monday, February 15, 2010 3:24:24 AM
Ngeh.... Nyeh.... Geh... Grr...

GYAAAAAAAAAAAAAAAAAAAAAAA.... *head asplodes*


ohthedrama
Male, 30-39, Midwest US
 162 Posts
Monday, February 15, 2010 3:01:44 AM
Here's what is happening.

http://www.cut-the-knot.org/Generalizati...


LazyMe484
Male, 18-29, Canada
 10503 Posts
Sunday, February 14, 2010 11:23:14 PM
well .99 equals 1 because 1/3 equals .333 (repeated). 1/3*3=1 and .333(repeated) * 3 = .999(repeated).

Yep. 0.999(repeated) does equal 1. Its called math.


gatorade777
Male, 18-29, Eastern US
 1201 Posts
Sunday, February 14, 2010 10:04:39 PM
well .99 equals 1 because 1/3 equals .333 (repeated). 1/3*3=1 and .333(repeated) * 3 = .999(repeated).

hi2pi
Male, 30-39, Canada
 738 Posts
Sunday, February 14, 2010 8:43:46 PM
this is one of the original, pre-internet fakes.

thelonious
Male, 40-49, Southern US
 3246 Posts
Sunday, February 14, 2010 8:01:27 PM
Old geometry joke that requires you to assume precision that the experimenter is counting on you assuming. Slopes of those areas do not align.

davymid
Male, 30-39, Europe
 12074 Posts
Sunday, February 14, 2010 7:54:17 PM
There is no sliver of a gap - It's because when the pieces are changed around, the slope gradually takes away more white space

No. Just no.


Faramir13
Male, 13-17, Canada
 31 Posts
Sunday, February 14, 2010 6:57:03 PM
@dooflotchie, you dont understand this? tough...

WakkaWakka
Female, 18-29, Canada
 27 Posts
Sunday, February 14, 2010 6:43:03 PM
There is no sliver of a gap - It's because when the pieces are changed around, the slope gradually takes away more white space (the space in the little squares)... Wasn't there another similar post like this one?

fatex52986
Male, 18-29, Western US
 1135 Posts
Sunday, February 14, 2010 6:31:51 PM
again the slopes arent the same so it wouldnt match perfectly

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