You click and hold on the tool that looks like a T and there you should see "Type on a path tool" click on that and click on your path you created previously and type.
Perfect fifth because you are going from do to so which is 5 steps apart :) so do to ti would be a perfect seventh since theyre seven steps apart. a perfect octave would be do to do.
Answer:
the curvilinerlines diagonal lines
Explanation:
