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SVEN [57.7K]
3 years ago
6

14

Mathematics
2 answers:
mr_godi [17]3 years ago
7 0
<span>radius=1/2 diameter
 are=radius^2*3.14
Hope I helped, and good luck!</span>
gavmur [86]3 years ago
6 0


I believe the correct answer is B. 49 mm2

because the r=7

then do the formula A=3.14*7²

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