Which of the following is an antonym for objective? purposeful credible original biased

biased.

Explanation:

Objective means something that is impartial, absolute and unprejudiced. An antonym for it could indeed be biased, this latter term meaning: partial, relative, tendentious, and in some cases even subjective. One example of bias would be a hypothetical case where a judge reaches a sentence not based on objective and provable evidence but rather on personal prejudices or preferences.  

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

the answer a: perseverance !