α is similar to A, but not the same character. The names used to represent angles are β, γ and so on.

"α" looks a bit like the English lowercase letter A, which is one of the Greek letters. In high school and junior high school, it can be used to refer to angles and planes, such as angle α and plane α.

This symbol can also be used instead of the name of the corner. For example: ∠ α.

Extended data

In mathematics, Greek letters are usually used to represent constants, special functions and some specific variables. In the field of mathematics, the meanings of uppercase and lowercase Greek letters are usually different and irrelevant.

Lowercase Alpha is used in physics: angular acceleration, alpha particles and related alpha decay.

Lowercase α is used in mathematics: α(m, n): Ackerman inverse function, a function whose output value increases very slowly.

"Alpha" is often used as an adjective to mean the most important or primitive thing, such as the alpha version in software engineering or the alpha man in biology. а in Cyrillic letters and A in Latin letters are derived from Alpha.

Baidu Encyclopedia-Greek alphabet