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Are the Lines Parallel?
Are the long lines parallel? Adjust the short lines to see.
Contributed by:
Jon McLoone
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Zöllner's Illusion
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Are the Lines Parallel?
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/AreTheLinesParallel/
Contributed by:
Jon McLoone
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