Spherical Angle

A symbol from the Math Symbols collection. Click the symbol or the button below to copy.

Symbol: ∢
Unicode: U+2222
HTML entity: ∢
Category: Math Symbols

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Download Spherical Angle as a vector SVG or a raster PNG.

PNG size

SVG uses the system font stack — open in any vector editor and convert to outlines if needed. PNGs have a transparent background.

28 of 58 in the math symbols collection

About the spherical angle symbol

Representing a specific geometric concept, the Spherical Angle symbol consists of a curved arc intersecting two lines at a vertex. It is read aloud as spherical angle and originates from the Mathematical Operators block. This character is used to distinguish angles formed by the intersection of two great circles on the surface of a sphere from those found on a two-dimensional Euclidean plane.

While specialized and relatively rare in general typography, this symbol appears frequently in technical papers concerning spherical trigonometry, global positioning systems, and celestial navigation. It is used by mathematicians and astronomers to denote vertex angles in spherical triangles or to define coordinates in non-Euclidean geometry. In academic typesetting, the character ensures precise communication when discussing map projections or the curvature of space.

How to type Spherical Angle

Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.

Windows

2 options

In Word / Outlook: type 2222 then press Alt + X.
Anywhere: press Win + . to open the emoji & symbol picker, then search.

macOS

2 options

Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 2222.
Or: Control + Command + Space opens the Character Viewer — search by name.