Claim: the author doesnt think geoffrey monmouth is a reliable source about the real king author.
which of the following supports the above claim?
a) "so goes the tale, as told by geoffrey of monmouth."
b) " such is the nature of classic myths. they can transcend almost ny sort of border; witness the revival of the legend in the twentieth "
c) "but as skeptics have been quick to point out, nowhere does glidas mention the name of aurthur."
d) " the legend of king arthur--in stark contrast to the actual man--is easy to track back to its orgins."

A) "So goes the tale, as told by Geoffrey of Monmouth."

Explanation: an argument or claim is a statement assertion that something is true. From the given options, the one that supports the claim that the author doesn't think Geoffrey Monmouth is a reliable source about the real King Arthur, is the corresponding to option A, because it uses the word "tale" which is a fictitious or true narrative or story, especially one that is imaginatively recounted, to refer to what Geoffrey of Monmouth said about King Arthur, which shows that he doesn't believe that everything Geoffrey said was true.

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