Explicación paso a paso:
A = 2 π R (R + h)
= 2π·2·(2 + 8)
= 40π ≈ 125.66368
40 × Pi = 125.66368
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Explicación paso a paso:
A = 2 π R (R + h)
= 2π·2·(2 + 8)
= 40π ≈ 125.66368
40 × Pi = 125.66368
La respuesta seria la letra B