"triangular" - key terms from Wikipedia

lower triangular
lower triangular	matrices
lower triangular	matrix
o subtended by the triangular
product of two upper triangular
th triangular	number
triangular
triangular	course
triangular	craft
triangular	cupola
triangular	faces
triangular	facets
triangular	fibrocartilage
triangular	form
triangular	formation
triangular	junction
triangular	matrices
triangular	matrix
triangular	number
triangular	numbers
triangular	odi tournament
triangular	piece
triangular	prism
triangular	ridges
triangular	sail
triangular	tournament
triangular	trade
two upper triangular	matrices
upper triangular
upper triangular	matrices
upper triangular	matrix