If you want to become a better problem solver, then this video is for you. This is video 3 of 7 in a series created to give you tips on how to improve your problem-solving skills. Taking advantage of symmetry in a problem is the next tip that Youtuber 3blue1brown discusses. Realizing that there is symmetry in a problem can make it easy for you to figure out the next steps in solving that problem. He elaborates on the inscribed angle problem given in the previous two videos and explains how he uses symmetry to move forward with solving this problem.