Geometry Notes Sections 3 - 5 .

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Presentation transcript:

Geometry Notes Sections 3 - 5 

What you’ll learn . . . How to recognize angle conditions that occur with parallel lines. How to prove that two line are parallel based on given angle relationships. 

Vocabulary No vocabulary =) 

Postulate If corresponding angles are congruent, then the lines are parallel. If 1  5, 2  6, 3  6, or 4  8, then line m  n . 

If alternate interior angles are ______________, do you think the lines are parallel? 

If alternate exterior angles are _____________, do you think the lines are parallel? 

If consecutive interior angles are _____________, do you think the lines are parallel? 

If two lines are perpendicular to the same line, do you think they have to be parallel? This is called the “Perpendicular Transversal Theorem 

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Have you learned….. How to recognize angle conditions that occur with parallel lines? How to prove that two line are parallel based on given angle relationships? 

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