3 years ago

The graph of the equation below is a circle. What is the length of the radius of the circle? (x - 4)2 + (y + 12)2 = 172

1 answer:

defon3 years ago

3 0

Hello :
an equation of the circle Center at the A(a,b) and ridus : r is :
(x-a)² +(y-b)² = r²
in this exercice : a =4 and b = -12
 the length of the radius is : r = √172

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