Answer:
cowbell is idiophone , the piano is chordophone , the snare drum is membranophone , the trumpet is an aerophone.
Explanation:
Where’s the rest of the question?
Answer:
symmetry: the quality of being made up of exactly similar parts facing each other or around an axis.
Symmetry allows the observer's eye to easily view the entire painting, provides balance to the artwork, and makes the elements all exist in agreement with one another. Symmetry can also help the artist convey a message, such as one of calmness.
