English: The golden ratio (phi) represented as a line divided into two segments a and b, such that the entire line is to the longer a segment as the a segment is to the shorter b segment: φ = (a+b) : a = a : b.
Français : Proportion d'or, la longueur a est à b ce que la longueur a+b est à a
Italiano: Il rapporto aureo (phi) rappresentato come una linea divisa in due segmenti a e b, dove l'intera linea sta al segmento più lungo (a) come esso sta al segmento più corto (b): φ = (a+b) : a = a : b
{{Information |Description={{en|1=The golden ratio (phi) represented as a line divided into two segments a and b, such that the entire line is to the longer a segment as the a segment is to the shorter b segment: φ = (a+b) : a = a : b.}} {{fr|1=Proportio