T. Sundara Row's Geometric exercises in paper folding (1905)
Sundara Rao, T. (Tandalam), b. 1853, Beman, Wooster Woodruff, 1850-1922, Smith, David Eugene, 1860-1944 · Chicago : Open Court · leaf 45
Fold 0 M, keeping 0 fixed and letting M fall on line BC, thus finding P, the vertex of the right-angled triangle AMP. Describe on PB the square BPQR. The square is equal to the given rectangle. For •. • BP = QP, and the angles are equal, triangle BMP is evidently congruent to triangle QSP. .•".… … Fig. 23. 64. Take four equal squares and cut each of them into two pieces through the middle point of one of the sides and an opposite corner. Take also another
Geometry · Paper work
Internet Archive · Wellesley College Library · Public domain (published before 1931). Free to use for anything.
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