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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 106

An illustration from T. Sundara Row's geometric exercises in paper folding. Edited and rev. by Wooster Woodruff Beman and David Eugene Smith, 1901, leaf 106
ntral symmetry. 160. Regular polygons of an odd number of sidespossess axial symmetry, and regular polygons of aneven number of sides possess central symmetry aswell. IN PAPER FOLDING. 87 161. If a figure has two axes of symmetry at rightangles to each other, the point of intersection of theaxes is… … Fig. 54- sides may have more axes than one, but no two ofthem will be at right angles to each other. If a sheetof paper is folded double and cut, we obtain a piecewhich has axial symmetry, and if it is cut fourfold, weobtain a piece which has central symmetry as well, asin Fig. 54. 88 GEOMETRIC…

Geometry -- Study and teaching · Paper work

Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.

More pictures from T. Sundara Row's geometric exercises in paper folding. Edited and rev. by Wooster Woodruff Beman and David Eugene Smith

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