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 111
on of Finks History of Mathematics, p. 270. 92 GEOMETRIC EXERCISES /_ GAD = the alternate /_AGB,•.- each is the complement of /_BAG; and/_HGE = the interior and opposite / GAD.. •. they are each = /_AGB.Also the two angles GAD and EGA are togetherequal to two right angles. 170. Take a line AX and… … If AB, BC, CD, DE be unequal, thenAB:BC=AB:BCBC: CD = BC: CD, and so on. 171. If ABCDE.... be a polygon, similar polygonsmay be obtained as follows. Take any point 0 within the polygon, and drawOA, OB, OC,.... Take any point A in OA and draw AB, BC,CD, parallel to AB, BC, CD respectively. IN PAPER…
Geometry -- Study and teaching · Paper work
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.