Code point
U+25E5
Glyph appearance depends on your fonts.
U+25E5
SoU+25E5 BLACK UPPER RIGHT TRIANGLE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Geometric Shapes block.
Choose the representation you need, then copy its value.
U+25E5
9701
◥
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E2 97 A5
25E5
000025E5
%E2%97%A5
\u25E5
\u25E5
\u25E5
\25E5