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CirclesCircle is defined as the set of all points in plane equidistant to a fixed point called the center.
Radius is the distance from the center to a point on the circle. The behavior of the graph changes when r, h and/or k is changed. You can try moving the slider seen on the graph to determine what changes will happen to the graph. Move Slider r, what will happen? Move Slider h, what will happen? Move Slider k, what will happen? |