Code point
U+225A
Glyph appearance depends on your fonts.
U+225A
SmU+225A EQUIANGULAR TO 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+225A
8794
≚
≚
≚
E2 89 9A
225A
0000225A
%E2%89%9A
\u225A
\u225A
\u225A
\225A