The radius of the circle is the distance between the center and the point on the circle
The radius of the circle is 13 units
How to determine the radius
The given parameters are:
Center = (-3,4)
Point = (2,-8)
The radius is the distance between the points.
So, we have:
[tex]r = \sqrt{(-3-2)^2 + (4 --8)^2}[/tex]
Evaluate
[tex]r = \sqrt{169}[/tex]
Solve
[tex]r = 13[/tex]
Hence, the radius of the circle is 13 units
Read more about circle equations at
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