and Corresponding Angles Congruent and Transversal Transversal A line that crosses two parallel lines Congruent looks like Vertical Angles Vertical Angles Intersecting lines form two pairs of vertical angles ID: 461448
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Vertical and Corresponding AnglesSlide2
Congruent and Transversal
Transversal: A line that crosses two parallel lines.
Congruent: looks like
Slide3
Vertical Angles
Vertical Angles: Intersecting lines form two pairs of vertical angles.
<1 and <3 are vertical
<2 and <4 are verticalSlide4
Corresponding Angles
Corresponding Angles: Angles that are in the same relative position when one line crosses two lines.
<A and <E are corresponding.Slide5
Vertical Angles and a Property of Parallel Lines
1. Vertical Angles are congruent.
2. When two parallel lines are intersected by
a third line, the corresponding angles are congruent.
If the lines are NOT parallel, the corresponding angles
are NOT congruent.