Answer: dodecaphony
Explanation: Twelve-tone technique—also known as dodecaphony, twelve-tone serialism, and (in British usage) twelve-note composition—is a method of musical composition devised by Austrian composer Arnold Schoenberg (1874–1951).
So you get a better grade
here angle q=110 then angle a+angle b=180 degree angle p=70 degree
Explanation:
angle p= 70 degree
angle q=110 degree
angle r= 70 degree
angle s=110 degree
Referring to the biography of the artist and Psychoanalytic theory.