triangle
三角形
Apollonius' theorem
Congruence (geometry)
Desargues' theorem
Dragon's Eye (symbol)
Fermat point
Hadwiger–Finsler inequality
Heronian triangle
Integer triangle
Law of cosines
Law of sines
Law of tangents
Lester's theorem
List of triangle inequalities
List of triangle topics
Ono's inequality
Pedal triangle
Pedoe's inequality
Pythagorean theorem
Special right triangles
Triangle center
Triangular number
Triangulated category
Triangulation (topology)
https://source.unsplash.com/featured/?triangle#.png
/suto3/google.icontriangle
image triangle
define triangle
wikipedia triangle
weblio triangle
kotobank triangle
jisho triangle