空心上指三角 △

You may come across this symbol in geometry, design, art, symbolism, geographic map legends, and textual graphics.

The use of the white triangle in the areas mentioned above is described in an article about the ▲ .

The white triangle is considered a symbol of peace and purity. Elements of this shape are used to create mosaics, bas-reliefs, and other pieces of art.

Regarding geographic maps, a white triangle with the vertex pointing upward is used there to indicate precipitation in the form of snow grains or hail. There is also a well-known symbol for natural gas, which consists of a white triangle with the vertex pointing upward, but more elongated.

In writing this symbol can replace the Greek letter 「Delta」 Δ or the letter A A or А . It is also used to decorate web pages and user names.

The white triangle with the vertex pointing upward can be used as a pointing symbol for specific important points of text or hyperlinks like 「Download」 or 「Subscribe.」

Finally, the white triangle with the vertex pointing upward is used in puzzles, rebuses, and riddles.

符号 「空心上指三角」 包含在 「几何图形」 块的 「幾何形狀」 子块中，并在1993年作为Unicode版本1.1的一部分获得批准。