Angles of elevation and depression Angles, building, Engineering, GCSE, GCSE Maths, Trigonometry, Website Add comments Mar 052012 Angles of elevation and depression– how to use simple trigonometry to measure the height of tall buildings or objects. A great resource from mymaths. 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.