Circle : A closed curve formed in such a way that any point on this curve is equidistant from a fixed point which is in the interior of the curve. A D.

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Presentation transcript:

Circle : A closed curve formed in such a way that any point on this curve is equidistant from a fixed point which is in the interior of the curve. A D O OA = OB = OC = OD o B C

Parts of a circle : Center Radius Diameter Chord

Center: A fixed point in the interior of circle whose distance from all the points on the circle is same. A B C D O OA = OB = OC = OD

Radius: The distance between the center and any point on the circle is called the radius of the circle. AAAAAAAA A AO

Diameter : The line which passes through the center and meet any two points on the circle is called the diameter. A B A diameter is twice the length of radius. O

Chord : The line which meet at any two points on the circle. A diameter is the longest chord of a circle. CD is the chord of the circle. AB C D O o