Chords - facts 2

1) An augmented chord can be formed by using the first, third, and fifth (sharp) notes of a major scale (1 3 5#).

2) A diminished chord can be formed by using the first, third (flat), and fifth (flat) notes of a major scale (1 3b 5b). You can also form a diminished chord by using the first, third, and fifth (flat) notes of a minor scale.