Respostas

  • Usuário do Brainly
2013-04-18T14:34:35-03:00

D = (x, y)

 

DC=BA

(x-2,y-(-1))=1(1-(-1),0-3)

(x-2,y+1)=(1+1,-3)

 

x-2=2

x=4

 

y+1=-3

y=-4

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