Source google image: https://ecdn.teacherspayteachers.com/thumbitem/Angle-Puzzles-Angles-in-Triangles-1509326-1500873531/original-1509326-2.jpg
Triangle puzzle
Source google image: https://ecdn.teacherspayteachers.com/thumbitem/Angle-Puzzles-Angles-in-Triangles-1509326-1500873531/original-1509326-2.jpg