An octagon is inscribe in a circle with 12 cm radius. What is the perimeter of the octagon?
https://www.youtube.com/watch?v=o5DjN3fzim4
This video shows how to find a chord on a circle.
Think that you have 8 chords you need to find. Following the video will help you to find the perimeter of your octogon. Since you have 8 of them. :)
https://www.youtube.com/watch?v=o5DjN3fzim4
This video shows how to find a chord on a circle.
Think that you have 8 chords you need to find. Following the video will help you to find the perimeter of your octogon. Since you have 8 of them. :)