T. Sundara Row's geometric exercises in paper folding. Edited and rev. by Wooster Woodruff Beman and David Eugene Smith (1901)
Sundara Rao, Tandalam, 1853-, Beman, Wooster Woodruff, 1850-1922, Smith, David Eugene, 1860-1944 · Chicago Open Court Pub. Co · leaf 47
the four con-gruent symmetric quadrilaterals at the corners, to-gether with the four triangles. In this figure the linesfrom the mid-points of the sides pass through the cor- 28 GEOMETRIC EXERCISES ners of the given square, and the central square isone-fifth of it. The magnitude of the inner… … Fig. 26. Fold through C and G.Fold BM perpendicular to CG.Take MP, CN, and NL each = BM.Fold PH, NK, LF at right angles to CG, as inFig. 26. IN PAPER FOLDING 29 Take NK=BM, and fold KE at right angles toNK. Then the pieces 1, 4, and 6, 3 and 5, and 2 and 7form three equal squares. Now CG2 =…
Geometry -- Study and teaching · Paper work
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
