Angle ∠

U+2220
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Symbol Meaning

The sign denoting in a mathematical notation a geometric figure is an “angle” (and it is itself). Example of use: ∠ABC = 45 °.

The angle is formed by two rays emanating from one point (the top of the corner). It is often indicated by three points, ∠ABC. Here B is a vertex, and A and C are points lying on different rays (sides of the angle). The corners are given the designation in Greek letters, for example, ∠α.

The angle value (angular measure) can be calculated in different ways: in degrees, radians, turns or grads. If both sides of the angle lie on the same line, then this angle is called unfolded and its value is 180 °.

The symbol “Angle” is included in the “Angles” subblock of the “Mathematical Operators” block and was approved as part of Unicode version 1.1 in 1993.

Text is also available in the following languages: Русский;

Unicode Name Angle
Unicode Number
HTML Code
CSS Code
Entity ∠
Unicode Block Mathematical Operators
Unicode Subblock Angles
Unicode Version 1.1 (1993)
Version 1.1
Block Mathematical Operators
Type of paired mirror bracket (bidi) None
bmg 29A3
Composition Exclusion No
Case change 2220
Simple case change 2220
Math +
Grapheme_Base +
age 1.1
scripts Common
Encoding hex dec (bytes) dec binary
UTF-8 E2 88 A0 226 136 160 14846112 11100010 10001000 10100000
UTF-16BE 22 20 34 32 8736 00100010 00100000
UTF-16LE 20 22 32 34 8226 00100000 00100010
UTF-32BE 00 00 22 20 0 0 34 32 8736 00000000 00000000 00100010 00100000
UTF-32LE 20 22 00 00 32 34 0 0 539099136 00100000 00100010 00000000 00000000

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