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 38
GEOMETRIC EXERCISES square bisect the corresponding sides of all the inner squares. (Fig. 17.) For the angles which these lines make with the diagonal are equal, and their magni- tude is constant for all squares, as may be seen by- … Fig. 17. superposition. Therefore the mid-points of the sides of the inner squares must lie on these lines. 51. ABCD being the given square piece of paper (Fig. 18), it is required to obtain by folding, the point X\tl AB, such that the rectangle AB-XB is equal to the square on AX. Double BC upon…
Geometry · Paper work
Internet Archive · Wellesley College Library · Public domain (published before 1931). Free to use for anything.
