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OpenStudy (anonymous):
What is the exact area of a circle with a radius of 12 feet?
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jhonyy9 (jhonyy9):
area circle = pir^2 so than vill be 144pi
jhonyy9 (jhonyy9):
or you can multiply this 144 with 3,14 = for you give the exact value
jhonyy9 (jhonyy9):
ok ?
OpenStudy (anonymous):
its 144pi 3.14 is approximated
OpenStudy (anonymous):
452.16
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OpenStudy (anonymous):
the exact value is 144pi you cannot approximate so 452.16 is not the answer
OpenStudy (anonymous):
what is he answer 144
OpenStudy (anonymous):
the*
jhonyy9 (jhonyy9):
the formula of area of a circle is pir^2 - so than will be area =144pi
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