Triangle Sum Properties PPT Forums Main Page › Forums Main Page › Geometry › Triangles › Angle Measures of Triangles › Triangle Sum Properties PPT This topic has 0 replies, 1 voice, and was last updated 11 years ago by Sharma. Viewing 0 reply threads Author Posts October 18, 2013 at 9:00 pm #1640 SharmaKeymaster Nothing too creative in this powerpoint. Takes about 45 minutes for the lesson Attachments: 4.1_Apply_Triangle_Sum_Properties.ppt Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In