Code point
U+29A1
Glyph appearance depends on your fonts.
U+29A1
SmU+29A1 SPHERICAL ANGLE OPENING UP is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Mathematical Symbols-B block.
Choose the representation you need, then copy its value.
U+29A1
10657
⦡
⦡
E2 A6 A1
29A1
000029A1
%E2%A6%A1
\u29A1
\u29A1
\u29A1
\29A1