Code point
U+2222
Glyph appearance depends on your fonts.
U+2222
SmU+2222 SPHERICAL ANGLE is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2222
8738
∢
∢
∢
E2 88 A2
2222
00002222
%E2%88%A2
\u2222
\u2222
\u2222
\2222