TEKS: Chapter 111. Mathematics See All Teacher Resources
111.28.b.8.D
Use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles
Aligned Resources
Courses
- Course: Pre-Algebra II, Unit 5: Geometric Transformations Lesson 3: Congruence of Lines and Angles
- Course: Pre-Algebra II, Unit 5: Geometric Transformations Lesson 6: Congruent Transformations on the Coordinate Plane
- Course: Pre-Algebra II, Unit 3: Triangles and the Pythagorean Theorem Lesson 8: Angle Sum Theorem
- Course: 8th Grade Math, Unit 5: Geometric Transformations Lesson 6: Congruent Transformations on the Coordinate Plane
- Course: Pre-Algebra II (College), Unit 10: Triangles and the Pythagorean Theorem Lesson 7: Angle Sum Theorem
- Course: 8th Grade Math, Unit 5: Geometric Transformations Lesson 8: Dilations
- Course: 8th Grade Math, Unit 5: Geometric Transformations Lesson 3: Congruence of Lines and Angles
- Course: Pre-Algebra II (College), Unit 5: Geometric Transformations Lesson 3: Congruence of Lines and Angles
- Course: 8th Grade Math, Unit 3: Triangles and the Pythagorean Theorem Lesson 1: Parallel Lines and Transversals
- Course: 8th Grade Math, Unit 3: Triangles and the Pythagorean Theorem Lesson 2: Angle Sum Theorem