Answer:
Given,
A=90
b=15
A=12bh
Now,
Step-by-step explanation:
Put the given value in the formula
A=12bh
90=12*15*h
90=180h
90/180=h
Hence, h=0.5
Answer:
860.8
Step-by-step explanation:
Song A has 1 .10 beats/second and song B has 1.16 beats/second so it is song a.