Code point
U+2A3A
Glyph appearance depends on your fonts.
U+2A3A
SmU+2A3A MINUS SIGN IN TRIANGLE is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2A3A
10810
⨺
⨺
⨺
E2 A8 BA
2A3A
00002A3A
%E2%A8%BA
\u2A3A
\u2A3A
\u2A3A
\2A3A