No. XIV
In this nest of 49 squares it is possible to count 784 distinct interlacing figures, whose opposite sides are equal, and whose angles are all right angles.
Of these 784 rectangles 140 are squares.
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In this nest of 49 squares it is possible to count 784 distinct interlacing figures, whose opposite sides are equal, and whose angles are all right angles.
Of these 784 rectangles 140 are squares.
Return to [description]