28.26 cm2
Explicación paso a paso:
[tex]a = \pi {r}^{2} \\ a = 3.14 \times {3}^{2} \\ a = 3.14 \times 9 \\ a = 28.26[/tex]
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28.26 cm2
Explicación paso a paso:
[tex]a = \pi {r}^{2} \\ a = 3.14 \times {3}^{2} \\ a = 3.14 \times 9 \\ a = 28.26[/tex]