A point.
Chat with our AI personalities
An angle can be named with one capital letter when the point represented by the letter is at the vertex (the endpoint of the two rays, lines, etc.)
The Greek capital letter for Omega is Ω.
The Greek capital letter for Psi is Ψ.
It is called "unicase", a capital letter is referred to as a "majiscule". The terms "lower case" and "upper case" are used as well, but that usually refers to the characters on a computer keyboard.
Is called a variable and is represented by and letter