Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 중2 11월25일 삼각형, 피타골아스. That video is uploaded by 패치홋짱수학 at 2020-11-25T11:26:52-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [r8l-snPhVHI]