Respuesta:
65.9736 u^2
Explicación paso a paso:
A= 3.1416*(5^2-2^2)
=3.1516(25-4)
=3.1416*21
=65.9736 u^2
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Respuesta:
65.9736 u^2
Explicación paso a paso:
A= 3.1416*(5^2-2^2)
=3.1516(25-4)
=3.1416*21
=65.9736 u^2