Center of a Circle
Definition of Center of a Circle
Center of a Circle is a point inside the circle and is at an equal distance from all of the points on its circumference.
Example of Center of a Circle
 The constant distance from the center of the circle to any point on the circle is called the radius of the circle.
 Diameter of a circle is the line segment connecting two points on a circle and passing through the center of the circle.
Video Examples: Circumference of a Circle
Example of Center of a Circle

Three points A, B, and C are on the circumference of the circle and is at equal distance from the point O. So, O is the center of the circle.
Solved Example on Center of a Circle
Ques: If O is the center of the circle, then identify the radius of the circle.
Choices:
A. DCB. AB
C. OA
D. AC
Correct Answer: C
Solution:

Step 1: Radius is the distance from the center of the circle to any point on the circle.
Step 2: In the figure, OA, OB, OC, and OD are the radii of the circle.
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