The A augmented chord (abbreviated "Aaug chord") is a triad consisting of the notes A, C, and E. The chord is formed by raising the fifth of a A major chord a half step.

Name
A augmented chord
Synonym
A augmented triad
Notes
A C E
Intervals
1 3 5
Chord symbol
A+
Alternative symbols
Aaug A(#5)
Type
Triad (three-note chord)

Aaug chord on piano

Aaug chord on guitar

Aaug chord on ukulele

Aaug chord on the staff