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Trapezoid Optical Illusion

Which of two red lines in this image is longer?

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Are the two lines inside the trapezoids the same length?


Scroll down for the answer and explanation.







Actually, they're the same length.


Yep, they really are exactly the same size. Hard to believe, isn't it? This optical illusion takes advantage of the "relative size" of the extra lines to make the one red line seem larger by comparison.

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