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OpenStudy (hellomynameiskam):
What is the exact area of a circle with a radius of 31 cm? A. 15.5 cm² B. 31 cm² C. 961 cm² D. 240.25 cm²
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OpenStudy (bmk614):
\[\pi*r^2 = \pi*31^2 = 3,019.07\] There is not a choice for a circle with this radius.
OpenStudy (hellomynameiskam):
hmm. i would say its D then idk
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