TY  - BOOK
AU  - Encyclopaedia Britannica Educational Corporation
TI  - Triangles and beyond
T2  - Mathematics in Context
SN  - 0782615457
AV  - QA135.5 
U1  - 516 
PY  - 1998///.
CY  - Chicago
PB  - Encyclopaedia Britannica Educational Corporation
N2  - Supplemental math textbook - Student activities involving triangles
ER  -