3.2- Angles formed by parallel lines and transversals

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Presentation transcript:

3.2- Angles formed by parallel lines and transversals

Corresponding Angles Postulate If two parallel lines are cut by a transversal, corresponding angles are __________.

Alternate Interior Angles Theorem If two parallel lines are cut by a transversal, alternate interior angles are ____________.

Alternate Exterior Angles Theorem If two parallel lines are cut by a transversal, alternate exterior angles are ___________.

Same Side Interior Angles Theorem If two parallel lines are cut by a transversal, same side interior angles are _____________.

a // b Find all the other angles in the picture.

a // b Solve for x.

a // b Solve for x. 2 (2x - 135)0 (x – 30)0

(2x + 10)0 (3x – 15)0

(4x + 10)0 (3x – 5)0

(45x + 30)0 (25x + 10)0

130 0 (25x + 10)0

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