study 7-6 多角形を円形に配置する

https://scrapbox.io/files/68230c37ec2685439ad90e08.png

https://scrapbox.io/files/68230c26cd854c622e14de67.png

https://scrapbox.io/files/68230c29ac5f1f7c843f9540.png

https://scrapbox.io/files/68230c2ba6d0f89fdeadbce7.png

https://scrapbox.io/files/68230c2eaed6e27a2582781a.png

https://scrapbox.io/files/68230c31294f5b65d2d3b5fc.png

https://scrapbox.io/files/68230c344787177914bb8e1e.png