# Golden rectangle

## Rectangle whose side lengths are in the golden ratio / From Wikipedia, the free encyclopedia

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In geometry, a **golden rectangle** is a rectangle whose side lengths are in the golden ratio, $1:{\tfrac {1+{\sqrt {5}}}{2}}$, which is $1:\varphi$ (the Greek letter phi), where $\varphi$ is approximately 1.618.

Rectangle whose side lengths are in the golden ratio

Golden rectangles exhibit a special form of self-similarity: All rectangles created by adding or removing a square from an end are golden rectangles as well.