Code point
U+22BF
Glyph appearance depends on your fonts.
U+22BF
SmU+22BF RIGHT TRIANGLE 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+22BF
8895
⊿
⊿
⊿
E2 8A BF
22BF
000022BF
%E2%8A%BF
\u22BF
\u22BF
\u22BF
\22BF