Equaçao de uma circunferencia A é x²+y²-4x-4y+4=0 entao o ponto, a(1,2)?

a)é o centro de A

b)é interno a Ae distinto do centro

c)peretnce a A

d)é externo de A

obs: o A ta representando cmo se fosse akele simbolo do y de ponta cabeça

ajudeeem

com calculoooo :)

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