SOLUTION: Find an equation for the circle. Center at ( 2, - 6), diameter of length 6.2

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Question 352530: Find an equation for the circle.
Center at ( 2, - 6), diameter of length 6.2

Answer by Waveez(3) About Me  (Show Source):
You can put this solution on YOUR website!
Eqn of Circle : (x-a)^2 + (y-b)^2 = r^2
Centre of circle = (a,b)
Therefore, a= 2 and b= -6
r= radius
= 1/2 of diameter
= 1/2 (6.2)
= 3.1
Hence equation of circle is,
(x-2)^2+ (y+6)^2 = (3.1)^2