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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 52
GEOMETRIC EXERCISES 32 5 + 1/5 = AB2 • l/10 + 2v/5 p=AB ^X 0.9510. . ..=AB cos 18c … Fig. 28. 74. If i? be the radius of the circumscribed circle, AB 2AB 2cosl8° T/10 + 21/5 AT> I 5 — l/^ = ABX 0.5257...Geometry · Paper work
Internet Archive · Wellesley College Library · Public domain (published before 1931). Free to use for anything.
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