King, Charles A. (Charles Albert), b. 1865 · New York, Cincinnati [etc.] American book company · leaf 74
Fig. 51. — Consthuction opA Rectangle. equilateral triangle, is found by using the same figures, thetongue giving the miter cut, as at b. (D.) The sides of a rectangle are square with the base 90° line, or at an angle of 90°, the miter of which. 45°, CARPENTEES GEOMETRY 59 … Fig. 52. — Constkuction of an Octagon. may be obtained by using the same figm-es on both To. andBl., say 12, either side giving the cut. (Fig. 51.) (E.) The octagon, or eight-sided polygon, treated in thesame way, gives 12 To., 12 Bl., for the outside angle, eitherside giving the cut. Forthe miter,…
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