This math skill teaches how to calculate the circumference of a circle by multiplying the diameter with Pi (π). The solution includes converting the result to a decimal using an approximate value of Pi.
Toggle Auto Play (On)
Audio Voice (Mobius Voice)
Toggle Teaching (Video)
Circumference of a circle from the diameter
Test your understanding of circumference of a circle from the diameter by practicing it! Work through the below exercises to use it in practice.
🎙️
Let's find the circumference, or perimeter, of a circle with a diameter of 6
🎙️
The circumference of a circle is Pi times the diameter
🎙️
Our circle has a diameter of 6, so a circumference of 6 Pi
🎙️
Pi is approximately 3.14, so as a decimal, the circumference would be approximately 18.84