820,938 views
0:00 - Introduction 5:00 Method 1: Sum of 2 opposite angles = 180 11:11 Example 1 16:10 Method 2: 2 angles with 2 adjacent vertices looking at the same side are equal 19:50 Example 2 30:25 Method 3: exterior angle equals opposite interior angle 38:07 Last example - thinking by remembering shapes AGAIN BAO NOT GOOD GO SEE DON'T UNDERSTAND IM ME Contact email: [email protected] FB: / trunganh2201 tiktok: https://www.tiktok.com/@trunganhsieun... Shoppee: https://trunganhsieunhan.koc.asia/