How does Odysseus advice to his men compare to Circe's original
advice?

Circe advises Odysseus to hug the cliff of Scylla and sacrifice six men rather than risk losing his whole ship to Charybdis. Also, he should race through as quickly as possible instead of trying to fight her (the monsters are female, of course).

: b : o   : 0 ; b : - )  

: b: b: b: b: b: b: b: b: b

the answer is

r ≈5.641

plug in the area of 100 yards into the equation

100=

divide each side by pi

≈ 31.8309=

take the square root of each side to find r

=r

r ≈5.641