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 22
Fig. 3- a knife as before along the second fold and removethe smaller piece. IN PAPER FOLDING 3 6. Repeat the above process and obtain the edgesCD and DA. It is evident by superposition that theangles at A, B, C, D, are right angles, equal to oneanother, and that the sides BC, CD are respectively … Fig. 4- equal to DA, AB. This piece of paper (Fig. 3) issimilar in shape to the page. 7. It can be made equal in size to the page bytaking a larger piece of paper and measuring off ABand BC equal to the sides of the latter. 4 GEOME TRIC EXERCISES 8. A figure like this is called a rectangle.…
Geometry -- Study and teaching · Paper work
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
