Definition of triangle

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Triangle (n.) A kind of frame formed of three poles stuck in the ground and united at the top, to which soldiers were bound when undergoing corporal punishment, -- now disused..

Lern More About Triangle

Self-conjugate :: Self-conjugate (a.) Having the two things that are conjugate parts of the same figure; as, self-conjugate triangles..
Chorograph :: Chorograph (n.) An instrument for constructing triangles in marine surveying, etc..
Right-angled :: Right-angled (a.) Containing a right angle or right angles; as, a right-angled triangle..
Transversal :: Transversal (n.) A straight line which traverses or intersects any system of other lines, as a line intersecting the three sides of a triangle or the sides produced..
Triangle :: Triangle (n.) A draughtsman's square in the form of a right-angled triangle.
Triangular :: Triangular (a.) Having three angles; having the form of a triangle.
Oblique-angled :: Oblique-angled (a.) Having oblique angles; as, an oblique-angled triangle..
Trigon :: Trigon (n.) A kind of game at ball played by three persons standing at the angular points of a triangle.
Trigonometry :: Trigonometry (n.) That branch of mathematics which treats of the relations of the sides and angles of triangles, which the methods of deducing from certain given parts other required parts, and also of the general relations which exist between the trigonometrical functions of arcs or angles..
Coincide :: Coincide (n.) To occupy the same place in space, as two equal triangles, when placed one on the other..
Altitude :: Altitude (n.) The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc..
Rib :: Rib (n.) In Gothic vaulting, one of the primary members of the vault. These are strong arches, meeting and crossing one another, dividing the whole space into triangles, which are then filled by vaulted construction of lighter material. Hence, an imitation of one of these in wood, plaster, or the like..
Triangle :: Triangle (n.) A figure bounded by three lines, and containing three angles..
Triangulate :: Triangulate (v. t.) To divide into triangles; specifically, to survey by means of a series of triangles properly laid down and measured..
Cone :: Cone (n.) A solid of the form described by the revolution of a right-angled triangle about one of the sides adjacent to the right angle; -- called also a right cone. More generally, any solid having a vertical point and bounded by a surface which is described by a straight line always passing through that vertical point; a solid having a circle for its base and tapering to a point or vertex..
Scalenohedron :: Scalenohedron (n.) A pyramidal form under the rhombohedral system, inclosed by twelve faces, each a scalene triangle..
Triangle :: Triangle (n.) A small constellation situated between Aries and Andromeda.
Amblygon :: Amblygon (n.) An obtuse-angled figure, esp. and obtuse-angled triangle..
Sphenoid :: Sphenoid (n.) A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid.
Trigon :: Trigon (n.) A figure having three angles; a triangle.
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