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This is a link post Dear /links,
please can you explain this image to me so I can stop thinking about it and go to bed.
Yours,
(, Thu 5 Mar 2009, 23:16, Reply)
This is a normal post Maths.

(, Thu 5 Mar 2009, 23:24, Reply)
This is a normal post My brain just melted....

(, Thu 5 Mar 2009, 23:24, Reply)
This is a normal post Simple
It's witchcraft.
(, Thu 5 Mar 2009, 23:24, Reply)
This is a normal post Look closer
The second one isn't a triangle.
(, Thu 5 Mar 2009, 23:25, Reply)
This is a normal post Aha!
Well spotted!
(, Thu 5 Mar 2009, 23:29, Reply)
This is a normal post neither are actually triangles

(, Fri 6 Mar 2009, 2:56, Reply)
This is a normal post why!?
this is doing my head in.

surly it's a triangle.
it's a closed shape of three straight edges and three angles that add up to 180 degrees.
isn't that a triangle?

EDIT:
oh good lord, it's not straight is it. i thought it was just the curve of my monitor.
that's proper evil.
(, Fri 6 Mar 2009, 5:07, Reply)
This is a normal post can't......
try working out the graphs here
(, Thu 5 Mar 2009, 23:25, Reply)
This is a normal post Thanks.
I thought it would be something really obvious, but that's actually quite clever.
(, Thu 5 Mar 2009, 23:32, Reply)
This is a normal post ooooo yeah, its right clever is that

(, Fri 6 Mar 2009, 1:29, Reply)
This is a normal post optical illusion
the angles/gradients of the longest sides of the blue and red triangles are not the same (3:8 versus 2:5), but they look the same (= illusion of a straight line) in the arrangements

in the top arrangement, the longest side of the assembled "triangle" kinks downwards where it meets the corner of the yellow shape

in the bottom arrangement, the longest side of the assembled "triangle" kinks upwards where it meets the corner of the yellow shape

the difference in area between the two quadrilaterals (for that is what they are) = the white square in the bottom one
(, Thu 5 Mar 2009, 23:28, Reply)
This is a normal post eh? i 'm not sure you're right about that
if you hold a ruler or straight edge up to your monitor, the lines of and around the shaped are straight. Wouldn't the kink show itself if you held a ruler along the perimeter?

EDIT:
I'm sure you're right about that.
i'm sure i have a crap ruler.
(, Fri 6 Mar 2009, 5:04, Reply)
This is a normal post Geeky F*cking Tetris Porn, I'd say...
Can you put a NSFW tag on this please?
(, Fri 6 Mar 2009, 1:53, Reply)