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OpenStudy (anonymous):
Which is the exact area of the circle? Radius of 9 feet. I got 81 but 81 pi squared, 81 pi
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OpenStudy (lgbasallote):
area of a circle is pi (radius)^2 right? then area = pi (9)^2 area = pi(81)
OpenStudy (campbell_st):
thats correct
OpenStudy (anonymous):
Wait 81 sq feet or 81 pi symbol
OpenStudy (lgbasallote):
81 pi sq ft
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