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Properties and Components of Circle
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According to the Euclidean Geometry, a circle is a simple shape consisting of those points in a plane which is equidistant from its centre. The common distance of the points of a circle from its center is called its radius.
Components of a Circle:
- A circle is a shape with all points the same distance from its center. A circle is named by its center.
- The distance across a circle through the center is called the diameter. Every diameter is a chord, but not every chord is a diameter
- The radius of a circle is the distance from the center of a circle to any point on the circle.
- A chord is a line segment that joins two points on a curve. In geometry, a chord is often used to describe a line segment joining two endpoints that lie on a circle.
Area of Circle can be calculated by using the following formula:
Area = PI r2 
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