Aaug 5-string bass chord

How to play Aaug on 5-string bass

The most common way, the first shape above: your little finger on the B string at the 10th fret, your ring finger on the E string at the 9th fret, your middle finger on the A string at the 8th fret and your index finger on the D string at the 7th fret. Don’t play the G string.

From the B string 10 9 8 7 x (x: not played, 0: open)

What notes are in Aaug?

Aaug, A augmented, is A, C♯ and E♯: the root (A), the major third (C♯) and the augmented fifth (E♯). Its formula is 1 3 ♯5.

Why do Aaug and two other augmented chords have the same notes?

An augmented chord is two major thirds stacked, A, C♯ and E♯, and a third more brings you back to A. So Aaug has the same notes as the augmented chords on C♯ and E♯.