Triangle with equilateral triangles Math Olympiad, I.S.I. Entrance and College Mathematics › Forums › Math Olympiad, I.S.I., C.M.I. Entrance › Geometry › Triangle with equilateral triangles Tagged: geometry This topic contains 0 replies, has 1 voice, and was last updated by Ashani Dasgupta 3 months, 2 weeks ago. Viewing 1 post (of 1 total) Author Posts July 6, 2018 at 8:24 pm #21669 Ashani DasguptaKeymaster Triangle ABC (possibly scalene) has equilateral triangles AEC, ADB and BFC drawn on three sides. Show that CD = BE. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.