T. Sundara Row's Geometric exercises in paper folding; (1901)
Sundara Rao, T. (Tandalam), b. 1853 · Chicago, The Open court pub. company; [etc., etc.] · leaf 46
IN PAPER FOLDING 27 The process may be continued, but the number of squares will become inconveniently large. 68. Consider again Fig. 13 in § 44. If the four triangles at the corners of the given square are re- moved, one square is left. If the two rectangles FK and KG are removed, two squares in… … Fig. 25. 69. The given square may be cut into pieces which can be arranged into two squares. There are various ways of doing this. Fig. 23, in § 65, suggests the following elegant method : The required pieces are (1) the square in the center, and (2) the four con- gruent symmetric quadrilaterals at…
Geometry -- Study and teaching · Paper work
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