삼각형(r2 Blame)보기RAWBlame되돌리기비교r2r1I_______________________________(새 문서)1[[분류:도형]]r2I_______________________________2[TABLEOFCONTENTS]r1I_______________________________(새 문서)3== 개요 ==4변이 3개 있는 도형.r2I_______________________________56== 특징 ==