Triangle Symbol

Symbol Format Data
Code Point
U+25B3
TeX
\triangle
SVG
All symbols

Usage

The triangle symbol (△) is used in math to reference a triangle in a diagram. Typically, the symbol is used in an expression like this:

In plain language, the expression can be read as the triangle formed by the three points , and . Read more …

Related

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The capital Greek letter Δ (Delta) is used in mathematics to represent the change in a variable.

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The upside down triangle is an alternative to the nabla symbol to represent a gradient.