Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 49
of the polygon,will give the pentagon required. Join these points, which 43. On a given straight line AB, to construct a regularpentagon. (True construction.) At B erect BC perpen-dicular to AB, and equalto it. Bisect AB in D.With D as centre, and DCas radius, draw the arc CEmeeting AB produced in… … AHFKB will be the pentagon 44. On a given straight line AB, to construct a regular hexagon. With A and B as centres,and radius AB, draw the arcsintersecting each other at C.With C as centre, and withthe same radius, draw a circle.With the same radius com-mencing at A, set off roundthe circle the…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Rudiments of the art of building : represented in five sections [...] for the use of architects, builders, draghtsmen, machinists, engineers and mechanics (1853)](https://img.insideoutlibrary.com/img/200/ia-rudimentsofartof00bull-40-8.webp)
