Art of Problem Solving: Angles in a Polygon Part 2

Art of Problem Solving's Richard Rusczyk finds a formula for the sum of the interior angle measures of a polygon, and applies that formula to a few problems. This video is part of our AoPS Prealgebra curriculum. Take your math skills to the next level with our Prealgebra materials: 📚 AoPS Prealgebra Textbook: https://aops.com/store/book/prealgebra?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🖥️ AoPS Prealgebra 1 Course (Textbook Chapters 1-7): https://aops.com/school/course/prealgebra1-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🖥️ AoPS Prealgebra 2 Course (Textbook Chapters 8-15): https://aops.com/school/course/prealgebra2-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🔔 Subscribe to our channel for more engaging math videos and updates