Hellow guys, Welcome to my website, and you are watching [121341] 피타고라스의 정리 – 증명(23), 유클리드 기하학, 직각삼각형의 변의 관계를 증명합니다. 제곱수, 합성수, 넓이, SAS 합동. and this vIdeo is uploaded by 눙지과학교실 at 2022-05-29T19:32:52-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.