Learning objective = Students students use their knowledge of transformations, congruence, and similarity to investigate and establish the Triangle Sum and Exterior Angle Theorems, and the Angle-Angle Similarity Theorem - Khan Academy

Resource 1 (Kahoot) = 

Resource 2 (Khan Academy) = 

Resource 3 (Carnegie Learning) =

https://mypl.carnegielearning.com/i/line-and-angle-relationships-course-3-topic-overview/