The American house-carpenter; a treatise on the art of building, and the strength of materials (1867)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 52
d e:iual to B ; through d, draw c /, parallel to g b ; throughe, draw the diagonal, c a ; from a, draw a /, parallel to e dthen C will be equal to A. (See Art. 144.) A a ^\i B Fig 69. 103.— To make a square equal to two or more given squares.Let A and B, {Fig. 69,) be two given squares. Place them… … the side of a given square, c a, placed at right angleJ to a b, he theside of another given square, and c d, placed at right angles to 40 PRACTICAL GEOMETRY. c b, be the side of a third given, square ; then the square, A,formed upon the Une, d b, will be equal to the three givensquares. (See Art.…
Carpentry · Architecture
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