Circle

Things to remember

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• A circle is the path of all the points that are equidistant from a fixed point.
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• The diameter of a circle is the line segment joining two points on the circle and passing through the centre of the circle.
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• Diameter is the longest chord of the circle.
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• The smaller part is known as the minor arc and the greater part is known as the major arc.
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• A diameter of a circle divides it into two equal parts. Each part is called a Semicircle.
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• A Chord of a circle divides the circular region into two parts. Each part is called a segment of the circle.
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• Two circles are said to be intersecting circles if they have one and only one common chord.
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• Two or more circles having the same centre are called concentric circles.
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