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triangle

DEFINITIONS OF: triangle

1

n a three-sided polygon

Synonyms:
trigon, trilateral
Types:
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acute triangle, acute-angled triangle
a triangle whose interior angles are all acute
equiangular triangle, equilateral triangle
a three-sided regular polygon
isosceles triangle
a triangle with two equal sides
oblique triangle
a triangle that contains no right angle
obtuse triangle, obtuse-angled triangle
a triangle that contains an obtuse interior angle
right triangle, right-angled triangle
a triangle with one right angle
scalene triangle
a triangle with no two sides of equal length
cuneus, wedge, wedge shape
any shape that is triangular in cross section
delta
an object shaped like an equilateral triangle
Type of:
polygon, polygonal shape
a closed plane figure bounded by straight sides

n something approximating the shape of a triangle

“the coastline of Chile and Argentina and Brazil forms two legs of a triangle”
Type of:
form, shape
the spatial arrangement of something as distinct from its substance

n any of various triangular drafting instruments used to draw straight lines at specified angles

Type of:
drafting instrument
an instrument used by a draftsman in making drawings

n a percussion instrument consisting of a metal bar bent in the shape of an open triangle

Type of:
percussion instrument, percussive instrument
a musical instrument in which the sound is produced by one object striking another
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