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Triangle Waist Company

(Encyclopedia)Triangle Waist Company, often called the Triangle Shirtwaist Co., manufacturers of women's cotton and linen blouses. Located in lower Manhattan in the early 20th cent., on Mar. 25, 1911 it was the sit...

Ilemi Triangle

(Encyclopedia)Ilemi Triangle, triangular-shaped region, c.10,000 sq km (3,860 sq mi) in area, at the NW corner of Lake Turkana, E Africa. It borders South Sudan (W), Ethiopia (E) and Kenya (S). A disputed territory...

Halayeb Triangle

(Encyclopedia)Halayeb Triangle or Hala'ib Triangle, roughly triangular disputed territory, c.7,950 sq mi (20,590 sq km), along the Egypt-Sudan border, on the Red Sea coast. Claimed by Egypt and Sudan, and under the...

Bermuda Triangle

(Encyclopedia)Bermuda Triangle, area in the Atlantic Ocean off Florida where a number of ships and aircraft have vanished. Also known as the Devil's Triangle, it is bounded at its points by Melbourne, Fla.; Bermuda...

Hala'ib Triangle

(Encyclopedia)Hala'ib Triangle, disputed territory: see Halayeb Triangle. ...

triangle , in mathematics

(Encyclopedia)triangle, in mathematics, plane figure bounded by three straight lines, the sides, which intersect at three points called the vertices. Any one of the sides may be considered the base of the triangle....

triangle , in music

(Encyclopedia)triangle, in music, percussion instrument consisting of a steel rod bent into a triangle, open at one angle, and struck with a steel rod. Only since the end of the 18th cent. has it been an orchestral...

Research Triangle Park

(Encyclopedia)Research Triangle Park, research, business, medical, and educational complex situated in central North Carolina. It has an area of 6,900 acres (2,795 hectares) and is 8 × 2 mi (13 × 3 km) in size. N...