View details and encodings for Unicode character U+29A1 Spherical Angle Opening Up, located in the Miscellaneous Mathematical Symbols-B block and Math Symbol category. This character was released in 2002 under Unicode version 3.2.
⦡⦡U+29A1;10657\0029A1\u29A1\x{29A1}\u{29A1}u'\u29A1'