Lemoine point
scalene triangle
scalene
triagonal
three-cornered
tetrix
trianglewise
acute-angled
triangulate
subtriangular
triforce
trigonic
triangular
threeside
trigonal
oxygon
deltoideus
Morley's trisector theorem
obtuse-angled
dreibein
trianguloid
trisoctahedral
acute triangle
obtuse triangle
Pythagorean triangle
Brianchon hexagon
triakisoctahedron
triquetrous
nonhypotenuse
hyperkagome
triangle
disphenoid
equilateral triangle
ogdohedral
bicone
spherical trigonometry
Malfatti circle
triangularity
trispiral
triangularize
truss
triangularly
triangularizable
tri
rhombohedral
equitriangular
isosceles
Morley triangle
triangled
semiconcentric