plural of obtuse triangle

A right-angled triangular array of the natural numbers, whose generation is often set as an exercise in computer science education.

plural of scalene triangle

(anatomy) Calot's triangle

(geometry) An isosceles triangle whose duplicated side is in the golden ratio to the distinct side.

plural of Devil's Triangle

plural of work triangle

The imaginary path connecting the cooker, sink and refrigerator in a kitchen, considered from the viewpoint of efficient design.

(mathematics) A triad of whole numbers proportional to the sides of a right-angled triangle, such as 3, 4, 5.

plural of Pythagorean triangle