In the previous post, we have learned about the basic terminologies about circles. We continue this series by understanding the meaning of circumference of a circle. The circumference of a circle is basically the distance around the circle itself. If you want to find the circumference of a can, for example, you can get a measuring tape and wrap around it.
The animation below shows, the meaning of circumference. As we can see, the circle with diameter 1 has circumference or approximately .
Note: If you want to know where came from, read Calculating the Value of Pi.
What is the perimeter of a circle with diameter 1 unit? » Read more