# Golden Rectangles

## Description

Illustration showing succession of golden rectangles that are used to construct the golden spiral. Two quantities are considered to be in the golden ratio if (a+ b)/a = a/b which is represented by the Greek letter phi. Each rectangle shown is subdivided into smaller golden rectangles. The golden spiral is a special type of logarithmic spiral. Each part is similar to smaller and larger parts.

## Keywords

divine section, extreme ratio, Fibonacci spirals, golden cut, golden mean, golden proportion, golden ratio, golden rectangle, golden section, golden spiral, logarithmic spiral, mean ratio, medial section, rectangles

## Galleries

## Source:

Florida Center for Instructional Technology *Clipart ETC* (Tampa: University of South Florida, 2007)