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OpenStudy (anonymous):
Find the exact area of the circle with the given radius. r = 3 mm A. 9 mm2 B. 9π mm2 C. 3π mm2 D. 9.42 mm2
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OpenStudy (anonymous):
the formula to find the area of a circle is \[A = \pi r^2 \]
OpenStudy (anonymous):
so b
OpenStudy (anonymous):
\[\pi 3^2 = ??\]
OpenStudy (anonymous):
yes, B
OpenStudy (anonymous):
thx
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