## triangle Definition

- 1a plane figure with three straight sides and three angles
- 2a musical instrument consisting of a steel rod bent into a triangle, sounded by being struck with a small metal rod

## Using triangle: Examples

Take a moment to familiarize yourself with how "triangle" can be used in various situations through the following examples!

Example

The roof has a triangular shape.

Example

The Bermuda Triangle is a region in the western part of the North Atlantic Ocean where ships and planes have disappeared under mysterious circumstances.

Example

She plays the triangle in the school band.

## triangle Synonyms and Antonyms

### Synonyms for triangle

- trigon
- trilateral
- three-sided figure

## Phrases with triangle

Example

The movie is about a love triangle between a man and two women.

an offensive strategy used in basketball that involves passing the ball between three players positioned in a triangle to create scoring opportunities

Example

The coach decided to switch to the triangle offense in the second half of the game.

a mathematical theorem that states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side

Example

The triangle inequality is an important concept in geometry.

## Origins of triangle

from Latin 'triangulum', meaning 'triangle'

## Summary: triangle in Brief

A 'triangle' [ˈtraɪæŋɡl] is a three-sided plane figure with three angles. It can also refer to a musical instrument made of steel rod bent into a triangle shape. The term extends into phrases like 'love triangle,' denoting a romantic situation involving three people, and 'triangle offense,' referring to a basketball strategy. The 'triangle inequality' is a mathematical theorem that states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.