Inside Out Library · Explore

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 34

An illustration from T. Sundara Row's geometric exercises in paper folding. Edited and rev. by Wooster Woodruff Beman and David Eugene Smith, 1901, leaf 34
Fig. 13- orem. FGHbeing a right-angled triangle, the squareon FH equals the sum of the squares on FG and GH.uFA + nDB = uFC.It is easily proved that FC is a square, and that PAPER FOLDING 15 the triangles FGH, HBC, KDC, and FEK are con-gruent. If the triangles FGH and HBC are cut off fromthe… … Fig. 14. 45. Fold the given square as in Fig. 14. Here therectangles AF, BG, CH, and DE are congruent, asalso the triangles of which they are composed. EFGHis a square as also KLMN. Let AK=a, KB = b, and NK = c, then «2 + ^ = ^2, i. e. uKLMN. i6 GEOMETRIC EXERCISES nABCF> = (a-\-b)2. Now square…

Geometry -- Study and teaching · Paper work

Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.

More pictures from T. Sundara Row's geometric exercises in paper folding. Edited and rev. by Wooster Woodruff Beman and David Eugene Smith

More like this