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OpenStudy (ajanijones):
Find the exact area of the circle with the given diameter. d = 12.6 cm A. 39.69 cm2 B. 158.76 cm2 C. 158.76π cm2 D. 39.69π cm2
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OpenStudy (cggurumanjunath):
|dw:1389892218225:dw|
OpenStudy (anonymous):
so you need the area of a circle with 12.6 as the diameter?
OpenStudy (anonymous):
The formula for a circle is A= pi*r^2
OpenStudy (ajanijones):
I know i did all that but i got the wrong answer every time :(
OpenStudy (anonymous):
what did u answer?
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OpenStudy (ajanijones):
124.6266
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