2826
Explicación paso a paso:
A= Π x r²
A= 3.14 x 30²
A= 3.14 × 900
A= 2826 cm²
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2826
Explicación paso a paso:
A= Π x r²
A= 3.14 x 30²
A= 3.14 × 900
A= 2826 cm²