i have no idea how to solvethis wud sum1 plz help me!

πr2 = 21

pi x r"2" = 21

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- Mar 3rd 2008, 02:10 AMmezzieπr2 = 21
i have no idea how to solvethis wud sum1 plz help me!

πr2 = 21

pi x r"2" = 21 - Mar 3rd 2008, 05:50 AMCaptainBlack