diagonal line

[/daɪˈæɡənəl laɪn/]
nounfemininepl: diagonal lines / linhas diagonais
linha diagonal
1. a straight line connecting two non-adjacent corners of a polygon or rectangle; a line that slants from one corner to another at an angle other than 90 degrees
The diagonal line divides the square into two equal triangles.
A linha diagonal divide o quadrado em dois triângulos iguais.
2. any line that runs at an oblique angle, not horizontal or vertical
The artist drew diagonal lines across the canvas to create a sense of movement.
O artista desenhou linhas diagonais através da tela para criar uma sensação de movimento.
3. in geometry, a line segment joining two vertices of a polygon that are not on the same edge
Each diagonal line in a hexagon connects two non-adjacent vertices.
Cada linha diagonal em um hexágono conecta dois vértices não adjacentes.
The term 'linha diagonal' is universally used in both Brazilian and European Portuguese mathematical and artistic contexts. In Brazil, diagonal lines are commonly referenced in geometry classes and architectural design. The concept is standard across all Portuguese-speaking regions with no significant cultural variations.
Synonyms / Sinônimos
slant lineoblique lineslanted lineangled line
Antonyms / Antônimos
horizontal linevertical linestraight line

Regional Variations

General Brazilian
linha diagonal
most common usage in mathematics and general contexts
São Paulo
linha diagonal
standard usage, no significant variations
Rio de Janeiro
linha diagonal
standard usage, no significant variations
Portugal
linha diagonal
identical usage in European Portuguese; same mathematical terminology

Related Words

diagonalgeometryanglevertexpolygonintersectionslope

Related Idioms & Phrases

on a diagonal
draw a diagonal line
diagonal approach
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