Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 48
d) ; for example, a pentagon. At point B erect a perpendicular equal to AB. With B as centre, and radius BA, draw thequadrant AC, and divide it intoas many equal divisions asthere are sides to the polygon(in this case five). Join the point B with the second division from C.^ Bisect / AB at D, and… … B Fig. 8o. point A, with distance 1 The line AD is always drawn to the second division from C, whatevernumber of sides the polygon may contain. POLYGONS. 35 ference the points of the polygon,will give the pentagon required. Join these points, which 43. On a given straight line AB, to construct a…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
