Hambidge, Jay, 1867-1924 · New Haven : Yale University Press · leaf 54
square rectangles; .618 mul- tiplied by four, 2.472 minus one or 1.472. DE is a root-five rectangle.* Fig. 24. The area AB in Fig. 25 is divided into squares, root-five rectangles and rec- tangles of the whirling squares. In Fig. 26 the area AB is composed of two rectangles each consisting of a… … The whirling square rectangle AB in Fig. 27 may also be expressed as two squares and two root-five rectangles. The area AB in Fig. 28, consists of six whirling square rectangles. The side of this rectangle is 2.000 and the end .927. * Euclid, XIII, I, in substance proves that a rectangle which is…
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