Question
Write the standard equation of when the center is (0, 6) and point on the circle is (2, 3).
Hint:
The radius of circle is the distance between center of circle and any point on the circle. Using distance between two points formula find radius. The General equation of a circle with center 
and radius r is: 
.
The correct answer is:
If there are two points 
and 
,then distance between two points is
Distance between the center (0, 6) and the point on the circle (2, 3) is equal to radius
Radius = 
Equation of a circle whose center is (h, k) and radius is r is 
.
and ,then distance between two points is Distance between the center (0, 6) and the point on the circle (2, 3) is equal to radius
Radius =
Equation of a circle whose center is (h, k) and radius is r is
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