Angles in a triangle Adult Numeracy, Angles, Functional Maths, GCSE Maths, Level 2, Shape, Website Add comments Feb 172012 Can you complete the missing angles in this interactive worksheet from Transum? To see why angles in a triangle add up to 180 degrees see this demo. One Response to “Angles in a triangle” Angles in a triangle » Math's with Graham says: February 17, 2012 at 11:12 pm […] a go at working out the missing angles in these triangles. Posted by graham at 9:21 pm Tagged with: 180, angles in a […] Leave a Reply Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.