The other two types of triads are named after the quality of their
fifth:
Notice that both thirds in the diminished triad are
minor, and both thirds in the Augmented triad are Major.
Construct some Augmented and diminished triads
above the given note below:
Label the quality of the following triads (A/M/m/d). Remember: Look at the fifth first; if it is Augmented
or diminished, you don't even have to look at the third!