An elementary treatise on geometry : simplified for beginners not versed in algebra (1833)
Grund, Francis J. (Francis Joseph), 1805-1863 · Boston : Carter, Hendee & Co. · leaf 192
two sides, AC, BC, of the triangle are inthe same ratio as the sides BE, BD, of the triangle DEB ; conse-quently they are also as the lines rq, mn; because BE and BDare, by construction, equal to mn, rq. The rest of the demonstra-tion is evident from the construction. Problem XLIX. TTie basis of a… … Solution. Let AB be the given base, x the angleopposite to it, and ad the side of the square, equal to therectangle of the two remaining sides. 1. Upon AB construct the segment, AKHB, of a cir-cle, capable of the given angle x. 2. Extend AB towards D, and in A draw the perpen-dicular AF. 3. ]Make…
Geometry, Plane
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