All about the A Major scale

What notes are in the A Major scale?

There are 7 notes in the A Major scale.

I	II	III	IV	V	VI	VII
A	B	C#	D	E	F#	G#

The A Major scale contains the following alterations:

3 Sharp

I	II	III	IV	V	VI	VII
A Major	B Minor	C# Major	D Major	E Minor	F# Diminished

There are 20 chords using A as a base.