right triangle US
raɪt ˈtraɪæŋɡəl
See also: right-angled triangle (UK)
Definition Synonyms

Definition of right triangle - Reverso English Dictionary

Noun

mathematicsTECH.UStriangle with one angle of 90 degreesTECH.US
  • In geometry class, we learned how to calculate the area of a right triangle..
  • The carpenter used a right triangle to ensure the frame was square.
  • A right triangle can be found in many architectural designs.
right-angled triangle
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Images of right triangle

  • right triangle: triangle with one angle of 90 degrees
    triangle with one angle of 90 degrees

Expressions with right

right awayadv.
without delay or hesitation
Please call me right away.
by rightadv.
deservedly or justifiably
He should by right be the team captain.
dead rightadj.
absolutely certain or sure
He was dead right that they would win the game.
right aboutadv.
approximately or nearly
The cost is right about $50.
left and rightadv.
in many directions or places
He was looking left and right, unable to decide.
make it rightv.
correct a mistake or error
He apologized to make it right with his friend.

Expressions with triangle

eternal trianglen.
romantic relationship involving three people, often with jealousy
The movie is about an eternal triangle.
love trianglen.
romantic relationship involving three people
The movie revolves around a complex love triangle.
warning trianglen.
triangular sign used to alert drivers to potential hazards
He placed the warning triangle behind his car to signal the breakdown.
fire trianglen.
three elements needed for a fire: fuel, oxygen, heat
Understanding the fire triangle is crucial for fire safety.
equilateral trianglen.
three-sided regular polygon
The equilateral triangle is a basic shape in geometry.
right-angled trianglen.
triangle with one angle of 90 degrees
In geometry class, we learned how to calculate the area of a right-angled triangle..
oblique trianglen.
triangle having no right angle
An oblique triangle has angles that are not 90 degrees.
acute trianglen.
triangle with all angles less than 90 degrees
In an acute triangle, each angle is less than 90 degrees.
isosceles trianglen.
triangle with at least two equal sides
The isosceles triangle has two sides of 5 cm each.
obtuse trianglen.
triangle with one angle greater than 90 degrees
In geometry class, we learned how to calculate the area of an obtuse triangle..

Terms related to right triangle

💡 Terms in the same lexical field: analogies, antonyms, common collocates, words with same roots, hypernyms…
anglegeometryhypotenuselegmathematicstriangletrigonometry

Terms with right triangle included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
legn.
mathematics
side of a right triangle
oblique trianglen.
mathematics
triangle having no right angle
adjacentn.
mathematics
side next to the right angle in a triangle
secantn.
trigonometry
reciprocal of cosine in a right triangle
cathetusn.
mathematics
either side of a right triangle not the hypotenuse
cosecantn.
right triangle
ratio of hypotenuse to opposite side
hypotenusen.
mathematics
longest side of a right triangle

View all translations of right triangle

✨Click below to see the appropriate translations facing each meaning.
  1. French:triangle rectangle, ...
  2. German:rechtwinkliges Dreieck, ...
  3. Italian:triangolo rettangolo, ...
  4. Spanish:triángulo rectángulo, ...
  5. Portuguese:triângulo retângulo, ...
  6. Chinese:直角三角形, ...
  7. Japanese:直角三角形, ...
  8. Arabic:مُثَلَّث قائِم, ...
  9. Hebrew:מְשֻׁלָּשׁ יְשַׁר זָוִית, ...
  10. Russian:прямоугольный треугольник, ...
  11. Ukrainian:прямокутний трикутник, ...
  12. Hindi:समकोण त्रिभुज, ...
Browse the dictionary entries starting with “r”:
right to work right touch right under one's nose right up one's street

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