Topic B: Lesson 8: Solve for unknown angles in a triangle (K-A)

S#	Lecture	Course	Institute	Discipline
1	Angles in a triangle sum to 180Â° proof (K-A)	Topic B: Lesson 8: Solve for unknown angles in a triangle (K-A)	Khan Academy	Basic and Health Sciences
2	Proving angles are congruent (K-A)	Topic B: Lesson 8: Solve for unknown angles in a triangle (K-A)	Khan Academy	Basic and Health Sciences
3	Triangle angle challenge problem 2 (K-A)	Topic B: Lesson 8: Solve for unknown angles in a triangle (K-A)	Khan Academy	Basic and Health Sciences
4	Triangle exterior angle example (K-A)	Topic B: Lesson 8: Solve for unknown angles in a triangle (K-A)	Khan Academy	Basic and Health Sciences
5	Worked example: Triangle angles (diagram) (K-A)	Topic B: Lesson 8: Solve for unknown angles in a triangle (K-A)	Khan Academy	Basic and Health Sciences
6	Worked example: Triangle angles (intersecting lines) (K-A)	Topic B: Lesson 8: Solve for unknown angles in a triangle (K-A)	Khan Academy	Basic and Health Sciences

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