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 15
dicular to BC and OY perpendicularto AC. Join OA, OB. By Euclid I, 26 (B. and S.,§ 88, cor. 7)* the triangles YOC and XOC are con- * These references are to Beman and Smiths New Plane and Solid Geom-etry, Boston, Ginn & Co., 1899. x INTRODUCTION. gruent; also by Euclid I, 47 and I, 8 (B. and… … Fig. 2. O is the mid-point of the arc A OB of the circlewhich circumscribes the triangle ABC. 6. Paper-folding is not quite foreign to us. Fold-ing paper squares into natural objects—a boat, double IN TROD L/C TION. xi boat, ink bottle, cup-plate, etc., is well known, asalso the cutting of paper in…
Geometry -- Study and teaching · Paper work
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.