What is the distance around a circle called?
Mathematics · Middle School · Tue Nov 03 2020
Answered on
The distance around the circle is called the circumference. The circumference of a circle is equal to two pi r, expressed as:
C = 2 π r
Therefore, in finding for the circumference of a circle, you must first find the radius of the circle.
Example:
A circle has a diameter of 6 cm, determine the circumference of the circle.
D = 2r
r = d/2
r = 6/2
r = 3
C = 2πr
C =2π(3)
C = 6π
C = 18.84 cm