triangle

Pronunciation

• (UK) IPA ^(key): /ˈtraɪəŋɡəl/ or /ˈtraɪˌæŋɡəl/
• (US) enPR: trī'-ăng-gəl, IPA ^(key): /ˈtraɪˌæŋɡəl/

• Audio (US)

  (file)

• Hyphenation: tri‧an‧gle

Noun

Singular triangle

Plural triangles

1. (countable) A triangle (▲) is a shape that has three sides and three angles.
2. (countable) (music) A triangle is an instrument that is made out of metal and is shaped like a triangle.

• 
  An equilateral triangle (all sides and angles are equal)
• 
  A right triangle (one angle measures 90°)
• 
  A scalene triangle (all 3 sides and angles are different)
• 
  A triangle (musical instrument)

Related words

• acute triangle
• Bermuda Triangle
• Devil's Triangle
• equilateral triangle
• isosceles triangle
• love triangle
• obtuse triangle
• right triangle
• scalene triangle
• triangular

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