35RESONANCE January 2008 GENERAL ARTICLE Keywords Complex numbers, plane geom- etry, Ptolemy’s theorem, Euler- line, nine-point circle. Anant R Shastri is a Professor…
Vol 3 Issue 50 Published by: PIA 6, 7 & 8 Dec. 9 - 15, 2013 WESTERN VISAYAS In this IssueIn this IssueIn this Issue BY: ERLINDA OLIVIA P. TIU TACLOBAN CITY, Leyte,…