Question

Tell me all the identities of circles of class 9 and 10 both
pls give my answer
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Answer 1

Answer:

The collection of all the points in a plane, which are at a fixed distance from a fixed point in the plane, is called a circle.

A circle is a closed curve all of whose points lie in the same plane and are at the same distance from the centre.

The fixed point is called the centre of the circle and the fixed distance is called the radius of the circle.

Note : The line segment joining the centre and any point on the circle is also called a radius of the circle.

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