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Mathematics 21 Online
OpenStudy (anonymous):

Which is the formula to calculate area for a circle with diameter sixty-eight miles?

OpenStudy (anonymous):

two pi times thirty-four pi times thirty-four squared two pi times sixty-eight pi times sixty-eight squared

OpenStudy (anonymous):

I think D

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

one hundred fifty-six square kilometers three hundred twelve square kilometers one thousand fourteen square kilometers two thousand one hundred ninety-seven square kilometers

OpenStudy (anonymous):

wat?

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