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CIRCLE Menu

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One way a circle can be defined is as the set of all points equidistant from a specified point, C.

Using the figure below, construct a circle by clicking and holding on the small blue square and dragging the blue line around the point C.

The blue line connecting the small blue square to the point C never changes length. This means that each point on the circle is equidistant from the specified point C. The point C is called the centre of the circle.