RT @pickover@twitter.com: Construction of a regular heptadecagon (17-sided polygon) using straightedge and compass. http://tinyurl.com/yd2thymn
🐦🔗: https://twitter.com/pickover/status/1036953524767256577
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.