How can I understand geometry in order to solve the following?

Mathematics
Tutor: None Selected Time limit: 1 Day

Oct 31st, 2015

hello


circumference =  2 π * radius

radius = circumference /  2 π

           = 44 / 2 π

           = 22 / π

           = 7.002 inches


area =  π * 7.002^2

        =  π * 49.033

       = 154 in^2.............ANSWER


ANSWER IS option A

A . 154 in^2



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

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