flysky profile image 85

Where one square is lost?


It seems that the four shapes on the first figure have the same area as the other four shapes. On the other hand, obviously the area of the rectangle is 65 while of the square is 64.

 

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Janis Leslie Evans (janshares) says

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3 years ago
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Dr Penny Pincher (drpennypincher) says

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3 years ago
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    flysky 3 years ago

    ...yes. i.e. the diagonal line on the left figure actually is not a line but quadrangle – with area 1. So, the vertices of this quadrangle are: top left, point which seems to be on the diagonal where red and yellow shapes border, point which seems to

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flysky says

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3 years ago
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