It has an incorrect conjunction adverb. Hope this helped!
Answer:
<h3>Poem 'A Voice' is adressed to the author itself </h3>
Formula of circle:
C= 2πr
The radius is half of the diameter, so divide 9 by 2
18/2=9
Then plug in 9 as the radius in the formula.
C= 2π(9)
Using you calculator multiply 2 by the symbol "π" and 9
Exact Form is 18π
Decimal Form is 56.54866776...