ction, be divided into am numberof equal parts, provided such number is prime and ofthe form 2« + 1. This gives fractional parts,—J, 1 y^,2 5T> • • • For the purposes of geometrical drawing, with itsimportant bearing on the construction of machinery,the right angle can approximately be divided… … Describe the A ABC, having each of the zs at the basedouble of the third angle. In the given circle place the ADEF, equiangular toABC. Bisect zs DEF, DFE by EG, FH, meeting the circlein G and H, Join FG, GD, DH, HE.Then DHEFG is a regular pentagon. For the Zs EDF, DEG, FEG, DFH, EFH, which…
Geometry · Geometry, Plane
Internet Archive · Western University Libraries · Public Domain Mark 1.0. Free to use for anything.
