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

Mathematics
Tutor: None Selected Time limit: 1 Day

Oct 31st, 2015

hello


area of her mini apple = π* r^2

                                   = π* 3.14^2

                                   = π* 9.8596

                                     = 30.97

                                     = 31 in^2...............ANSWER


ANSWER IS option A

A. 31 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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