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- Transition Year Maths
- Angles, Lines and Transversals
Parallel line proofs
- Intro Lesson9:34
- Lesson: 1a1:34
- Lesson: 1b2:27
- Lesson: 1c1:28
- Lesson: 2a1:44
- Lesson: 2b1:38
- Lesson: 2c1:34
- Lesson: 2d1:55
- Lesson: 32:27
- Lesson: 4a4:32
- Lesson: 4b2:43
Parallel line proofs
Lessons
- IntroductionRelationships between lines and angles
- 1.What is the value of x if AB ∥ CD ?a)
b)
c)
- 2.Determine if enough information is given to prove p∥ q State the postulates or theorems you use in your answers.a)
b)
c)
d)
- 3.Prove that if two lines are cut by a transversal so the alternate exterior angles are congruent, then the lines are parallel. (Prove the Alternate Exterior Angles converse)
- 4.Write a two-column proof.a)Given: m∥ n, ∠1 ≅∠2
Prove: s∥ t
b)Given: ∠1 ≅∠2, ∠1 ≅∠3
Prove: AB ∥ CD