This activity is also part of one or more other Books. Modifications will be visible in all these Books. Do you want to modify the original activity or create your own copy for this Book instead?
This activity was created by '{$1}'. Do you want to modify the original activity or create your own copy instead?
This activity was created by '{$1}' and you lack the permission to edit it. Do you want to create your own copy instead and add it to the book?
정팔각형
원과 다양한 선분들을 이용해서 각이 130도가 되는 정팔각형을 완성하였다. 정팔각형을 그리는 것이 생각보다 어려워서 꽤 힘들었고, 만들고 나니깐 뿌듯함이 파도처럼 밀려왔다.