Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 47
les, as those at A and B (Fig. 43), by thestraight lines AC and BC, intersecting in C, which 38 PRACTICAL CARPENTRY will be the center of the polygon. Mark the alti-tude of this elementary triangle by the dottedline drawn from C perpendicular to the base AB;then multiply together the base and… … Fig. 43. Fig. 44. AB, the base of the elementary triangle, as thereare sides in the given polygon. Upon DE describean isosceles triangle, having the same altitude asABC, the elementary triangle of the given poly-gon; the triangle thus constructed is equal inarea to the given hexagon; consequently,…
Architecture · Building
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