Pronunciation

/trɪˈæŋɡl/

Definitions

Noun

A triangle is a three-sided polygon with three vertices (corners) and three edges. It is one of the basic shapes in geometry and has various types, such as equilateral, isosceles, scalene, right-angled, acute-angled, and obtuse-angled.

Verb

To describe or form a triangle is often used metaphorically, referring to creating a triangular relationship or structure.

Adjective

A triangle can be used as an adjective to describe something having a three-part arrangement or shape.

Phrases

• “Form a triangle” means to arrange objects or people in a triangular pattern.
• “Triangle formation” refers to a strategic position in sports or military formations.
• “A geometric triangle” specifies the mathematical shape.

Example Sentences

• Noun: “The pyramid was built with large triangular stones.”
• Verb: “They arranged the chairs in a triangle around the fire pit.”
• Adjective: “Her laughter created a harmonious triangle with her friends’ voices.”

Synonyms

• Triangular
• Three-sided
• Polygonal
• Isosceles or equilateral (referring to specific types)
• Right-angled, acute, obtuse (depending on angle type)