plural of Sierpinski triangle

plural of Morley triangle

plural of black triangle

(geometry) Any of a number of triangles described in Morley's trisector theorem, especially the equilateral triangle formed from the points of intersection of adjacent angle trisectors of a given triangle.

A small American spider (Hyptiotes cavatus) that lives among the dead branches of evergreen trees. It constructs a triangular web, or net, usually composed of four radii crossed by a double elastic fiber. The spider holds the thread at the apex of the web and stretches it tight, but lets go and springs the net when an insect comes in contact with it.

A triangle at an intersection, formed by the two roads or rights-of-way and a third line, which must be kept clear of obstructions such as hedges so that people in one road can see cars approaching on the other.

A region of Thailand, Laos, Myanmar, famous for production of opium and heroin. / A region of Victoria, Australia, where the Victorian Gold Rush occurred.

(graph theory) Of an undirected graph in which no three vertices form a triangle of edges.

plural of colour triangle

plural of eternal triangle