Si el radio de una circunferencia se incrementa en 4 unidades, entonces el area resulta multiplicada por 9 cual es la medida del radio original​

adbusters is an oppressive not-for-profit organization, founded in 1989  determined to end capitalism. the goal is to  spread their message through a self published magazine (which contains no advertisements). the likely reason why adbusters publishes a magazine with spoof advertisements is that  adbusters wants to encourage consumers to think critically about ads. 

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answerthe reference of the object;