Crux Mathematicorum
Vol. 47, No. 2
Febuary, 2021
PageContents
71 Editorial — Kseniya Garaschuk
72 MathemAttic: No. 22
72 Problems: MA106-MA110
74 Solutions: MA81-MA85
77 Teaching Problems: No. 13 — Erick Lee
82 Olympiad Corner: No. 390
82 Problems: OC516-OC520
84 Solutions: OC491-OC495
90 Multifaceted Solutions to a Remarkable Geometry Puzzle — H. S. Hoffman and S. I. Warshaw
97 Problems: 4611-4620
101 Solutions: 4561-4570