What does 'circumference' mean in the context of circles?

Circumference is the distance around the outside of the circle, also known as the perimeter.

Calculating Area and Circumference of Circles

Name: Calculating Area and Circumference of Circles
Author: Insta~Lesson

9th Grade · Math · 45 min

I can calculate the area and circumference of circles given the radius or diameter.

1
The formula for the area of a circle is Area = π * r², where r is the radius.
2
Circumference is a fancy word for perimeter when referring to circles, and it measures the distance around the outside of the circle.
3
The formula for the circumference of a circle is Circumference = 2 * π * r, where r represents the circle's radius.

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