Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 50
Fig. 82. 36 GEOMETRICAL DRAWING AND DESIGN. 45. In a given circle to inscribe a regular heptagon(approximately). … Draw any radius AB, andbisect it in C. Through Cdraw DE perpendicular toAB. With CD as radius,commencing at E, set offround the circle the pointsF, G, H, K, L, and M, byjoining which we get therequired heptagon. Fig. 83. 46. On a given line AB, to construct a regular heptagon(approximately). With B…
Geometrical drawing · Design · Drawing
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