diagonale

thumb|right|The diagonals of a cube with side length 1. AC' (shown in blue) is a [[space diagonal with length \sqrt 3, while AC (shown in red) is a face diagonal and has length \sqrt 2.]] thumb|Horizontal (left), vertical (center) and diagonal (right) double arrows.

AI overview

A diagonal is a line segment connecting two non-adjacent corners of a shape or object, running at an angle rather than along its sides or edges. Diagonals matter because they help us measure distances across shapes, understand their geometric properties, and appear frequently in mathematics, engineering, and design.

AI-generated from the Wikipedia summary — may contain errors.

In the Vinony graph

Vinony's link graph records 238 inbound references to diagonale, and connects out to graph of a function, On-Line Encyclopedia of Integer Sequences and concave polygon.

It is catalogued under the topic Elementary geometry.

Vinony links it to 69 Wikipedia language editions.

Wikidata facts

Instance of: relative direction
Subclass of: line segment
Part of: polyhedron
Image: Cube-Diagonals.svg

Show 4 more facts

described by source: Encyclopædia Britannica 11th edition
facet of: geometry
Commons gallery: Diagonal
Commons category: Diagonal

Sources (3)

via Wikidata · CC0

Article · Italiano

In geometria, si chiama diagonale il segmento che congiunge due vertici non consecutivi di un poligono o di un poliedro. Le diagonali possono essere interne o esterne al perimetro del poligono o al volume del poliedro, in particolare sono tutte interne se la figura è convessa. Per sapere quante diagonali partono da un vertice di un poligono di vertici si contano tutti i vertici tranne il vertice considerato e i due consecutivi ad esso, in quanto i segmenti ottenuti costituirebbero due lati (e quindi non sarebbero "diagonali" secondo la definizione sopra riportata), quindi si hanno diagonali. Il numero totale delle diagonali di un poligono di vertici è dato dalla formula

Abstract from DBpedia / Wikipedia · CC BY-SA