ERIC Number: EJ423676
Record Type: CIJE
Publication Date: 1990
Reference Count: 0
Elementary Proof That Some Angles Cannot Be Trisected by Ruler and Compass.
Quine, W. V.
Mathematics Magazine, v63 n2 p95-105 Apr 1990
Presented is a proof where special attention is accorded to rigor and detail in proving the lemma that relates ruler-and-compass constructions to arithmetical operations. The idea that some angles cannot be trisected by a ruler and compass is proved using three different cases. (KR)
Publication Type: Journal Articles; Guides - Classroom - Teacher
Education Level: N/A
Audience: Teachers; Practitioners
Authoring Institution: N/A
Note: Journal availability: See SE 547 378.