Respuesta:
3 cm
Explicación paso a paso:
Area = pi . r²
28 ,26 = 3,1416. r²
8,99 = r²
2,99 = r
redondeando
r = 3 cm
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Respuesta:
3 cm
Explicación paso a paso:
Area = pi . r²
28 ,26 = 3,1416. r²
8,99 = r²
2,99 = r
redondeando
r = 3 cm