Question

determine a equacao da circuferencia c (0,6), r =1,2

Answer 1

(x+0)²+(y-6)²=(1,2)²  ⇒    x²+(y-6)²=1,44  

ou x²+y²-12y+36-1,44=0  ⇒  


x²+y²-12y+34,56=0