How can I solve the following math question?

Mathematics
Tutor: None Selected Time limit: 1 Day

Oct 31st, 2015

hello


radius =diameter/2 =22/2=11

area = π * r^2

         =  π *11^2

         =380.1 in^2


ANSWER IS option B

B . 380.1 in^2


hope you understood..please message if you have any doubts...thank you
Oct 31st, 2015

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Oct 31st, 2015
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Oct 31st, 2015
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