U+22BF • geometry
Right triangle (⊿) is a symbol representing a right triangle, a triangle with one 90-degree angle. It is used in geometry and trigonometry to denote this specific triangle type.
The Symbol For Right Triangle (⊿) is a unicode character in the Basic Multilingual Plane Plane. It is found in the Mathematical Operators block and was approved as part of Unicode Version 1.1 in 1993
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