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1. What is the standard equation of the circle
given the center and its radius?
2. What do you call to the set of all points (x, y) in
a plane that are equidistant from a fixed center point?
3. What is the representation of any point on the
circle whose center is on the circle?
4. What the equation of the circle if the center is at
the origin?
5. What is the general equation of the circle where
D, E, and F are real numbers?​