Circle

Definition of Circle

  • A circle is the locus of all points that are the same distance from a given point on the plane, called the center.
 

More about Circle

  • Circumference: It is the distance around a circle.

Examples of Circle

  • In the figure shown, O is the center of the circle.
All points on the black ring are equidistant from O; A, B, C, and D  are examples of such points. The length of the black ring is the circumference of the circle.

                                                            

Solved Example on Circle

A circle has a radius of 6 feet. Find its circumference.

Choices:

A. 37.7 feet

B. 12 feet

C. 6 feet

D. 2 feet

Correct Answer: A

Solution:

Step 1: Circumference of the circle with radius 6 feet is = 37.7 feet.

           

Related Terms for Circle

  • Center
  • Point
  • Locus
  • Plane
  • Equidistant

Additional Links for Circle