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 43
Fig. 20. fold over the diagonal AC and thus get the pointQ, P- 62. To describe a right-angled triangle, given thehypotenuse AB, and the altitude. Fold EF (Fig. 21) parallel to AB at the distanceof the given altitude. Take G the middle point of AB. Find Hhy fold-ing GB through G so that B may fall… … Fig. 21. 63. ABCD (Fig. 22) is a rectangle. It is requiredto find a square equal to it in area. Q P 5 \ c 1 \ 0 £ 5 N M Fig. 22. Mark off BM=BC. Find <9, the middle point of AM, by folding. IN PAPER FOLDING 25 Fold OM, keeping 0 fixed and letting M fall online BC, thus finding P, the vertex of…
Geometry -- Study and teaching · Paper work
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.