3 years ago

The equation of circle having a diameter with endpoints (-3,1) and (5,7) is

1 answer:

3 0

The equation of a circle:

(h,k) - the coordinates of the center
r - the radius

The center is the midpoint of the diameter.

The radius is half the diameter, or the distance from one of the endpoints to the center.

The equation of the circle:

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