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 105
er of symmetry or simply axis or center. *Beman and Smiths translation of Finks History of Mathematics, p. 230.tBeman and Smiths New Plane and Solid Geometry, p. 26.t/5.,p.i83. 86 GEOMETRIC EXERCISES j 159. Now, in the quadrant XOY make a triangle PQR. Obtain its image in the quadrant YOX byfolding… … Fig- 53- symmetry, while the triangles in alternate quadrantspossess central 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…
Geometry -- Study and teaching · Paper work
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
