TY  - BOOK
AU  - Posamentier,Alfred S.
AU  - Lehmann,Ingmar
TI  - The secrets of triangles: a mathematical journey 
SN  - 1616145870
AV  - QA531 .P67 2012
U1  - 516.154 23
PY  - 2012///
CY  - Amherst, N.Y.
PB  - Prometheus Books
KW  - Trigonometry
KW  - Triangle
N1  - Includes bibliographical references and index; Introduction to the triangle -- Concurrencies of a triangle -- Noteworthy points in a triangle -- Concurrent circles of a triangle -- Special lines of a triangle -- Useful triangle theorems -- Areas of and within triangles -- Triangle constructions -- Inequalities in a triangle -- Triangles and fractals
ER  -