Sircar, Swati
(2014)
Letter to the editor.
At Right Angles, 3 (1).
p. 78.
ISSN 2582-1873
Abstract
In “An ‘Origamics’ Activity: X-lines” (AtRiA, November 2013) , the following result had been stated: A point is
taken on the top edge of a square sheet of paper, and the bottom corners are folded to the point, generating
two straight lines. The points of intersection of the X-creases fall on the vertical midline. The reader was asked to
prove this observation. Here is a proof.
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