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The required circle will have a radius of 3 units and centre at (1, -2)
<h3>Equation of a circle</h3>The standard equation of a circle is expressed as shown;
(x-a)^2+(y-b)^2 = r^2
where
(a, b) is the centre of the circle
r is the radius of the circle
Given the equation of the circle below;
(x − 1)^2 + (y + 2)^2 = 9
(x − 1)^2 + (y + 2)^2 = 3^2
Find the centre and radius
centre = (1, -2)
radius = 3
This shows that the required circle will have a radius of 3 units and centre at (1, -2)
Learn more on equation of a circle here: brainly.com/question/14150470
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