Trisecting an angle correctly up to arcminute

Authors

Joseph Tonien, University of WollongongFollow

RIS ID

105862

Publication Details

Tonien, J. (2016). Trisecting an angle correctly up to arcminute. Forum Geometricorum, 16 37-41.

Abstract

We present a simple compass-and-straightedge construction method of approximately trisecting an angle. This method is applicable to both acute and obtuse angles. With an original angle α, the construction gives an angle τ with error |ε| = |τ − α/3| < .0155◦.

Link to publisher version (URL)

Forum Geometricorum