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

Escribed :: Escribed (a.) Drawn outside of; -- used to designate a circle that touches one of the sides of a given triangle, and also the other two sides produced..
Subtense :: Subtend (v. t.) To extend under, or be opposed to; as, the line of a triangle which subtends the right angle; the chord subtends an arc..
Self-conjugate :: Self-conjugate (a.) Having the two things that are conjugate parts of the same figure; as, self-conjugate triangles..
Three-square :: Three-square (a.) Having a cross section in the form of an equilateral triangle; -- said especially of a kind of file.
Scalene :: Scalene (n.) A triangle having its sides and angles unequal.
Acute-angled :: Acute-angled (a.) Having acute angles; as, an acute-angled triangle, a triangle with every one of its angles less than a right angle..
Pyramid :: Pyramid (n.) A solid figure contained by a plane rectilineal figure as base and several triangles which have a common vertex and whose bases are sides of the base.
Trilateral :: Trilateral (a.) Having three sides; being three-sided; as, a trilateral triangle..
Triangle :: Triangle (n.) A small constellation near the South Pole, containing three bright stars..
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..
Trinity :: Trinity (n.) Any symbol of the Trinity employed in Christian art, especially the triangle..
Coincide :: Coincide (n.) To occupy the same place in space, as two equal triangles, when placed one on the other..
Area :: Area (n.) The superficial contents of any figure; the surface included within any given lines; superficial extent; as, the area of a square or a triangle..
Right-angled :: Right-angled (a.) Containing a right angle or right angles; as, a right-angled triangle..
Scalenohedron :: Scalenohedron (n.) A pyramidal form under the rhombohedral system, inclosed by twelve faces, each a scalene triangle..
Triangle :: Triangle (n.) An instrument of percussion, usually made of a rod of steel, bent into the form of a triangle, open at one angle, and sounded by being struck with a small metallic rod..
Wing :: Wing (n.) That part of the hold or orlop of a vessel which is nearest the sides. In a fleet, one of the extremities when the ships are drawn up in line, or when forming the two sides of a triangle..
Triangled :: Triangled (a.) Having three angles; triangular.
Oblique-angled :: Oblique-angled (a.) Having oblique angles; as, an oblique-angled triangle..
Spherograph :: Spherograph (n.) An instrument for facilitating the practical use of spherics in navigation and astronomy, being constructed of two cardboards containing various circles, and turning upon each other in such a manner that any possible spherical triangle may be readily found, and the measures of the parts read off by inspection..
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