U+1F781 "🞁" Black Up-Pointing Isosceles Right Triangle Unicode Character

U+1F781 "🞁" Black Up-Pointing Isosceles Right Triangle is a geometric symbol that depicts a solid, upward-pointing triangle with a right angle at its base, making it an isosceles shape with equal sides extending from that right angle. This character belongs to the Geometric Shapes Extended block and is typically used in diagrammatic, mathematical, or typographic contexts where a concise, directional icon is needed, such as in flowcharts, maps, or as a bullet point alternative. Its design is simple and bold, offering a clear visual cue for upward direction or hierarchy without the complexity of a narrower or acute triangle.