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OpenStudy (anonymous):
The area of a circle whose circumference is 8π is___π square units
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jimthompson5910 (jim_thompson5910):
C = 2*pi*r 8pi = 2*pi*r Solve this for r
jimthompson5910 (jim_thompson5910):
What do you get?
OpenStudy (anonymous):
so would it be 4pi
OpenStudy (anonymous):
is that right
jimthompson5910 (jim_thompson5910):
no it should be just 4
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jimthompson5910 (jim_thompson5910):
with no "pi" at the end of it
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