1. Alternate Interior Angles
Corresponding Angles V E R T I C A L N G S
Alternate Interior Angles
Same Side Interior Angles
Alternate
Exterior
Angles
Supplementary Angles
Complementary Angles

2. I can name and make conjectures about angle pairs formed
by 2 lines and a transversal.

3. TRANSVERSAL
A line that intersects two or more lines at two distinct points. a b t

4. Corresponding Angles
Angles in matching corners t a b

5. t a b Alternate Interior Angles
The pairs of angles on OPPOSITE sides of the transversal but INSIDE the two lines a b

6. t a b Alternate Exterior Angles
The pairs of angles on OPPOSITE sides of the transversal but OUTSIDE the two lines a b

7. t a b Same Side Interior Angles
The pair of angles on ONE SIDE of a transversal line and on the INSIDE of the two lines. t a b

8. t a b Same Side Exterior Angles
The pair of angles on ONE SIDE of a transversal line and on the OUTSIDE of the two lines. t a b

9. TRANSVERSALS
with
PARALLEL LINES

10. Corresponding angles of parallel lines
are
congruent. a
a || b b
If corresponding angles are congruent, the lines are parallel.

11. Alternate Interior Angles of parallel lines arec d
c || d t
Alternate Interior Angles
of parallel lines are
congruent.
If alternate interior angles are
congruent, the lines are parallel.

12. t c c || d d If alternate exterior angles are
Alternate Exterior Angles of
parallel lines are
congruent.
If alternate exterior angles are
congruent, the lines are parallel.

13. m m || n n If same side interior angles are
Same side Interior Angles of
parallel lines are
supplementary.
If same side interior angles are
supplementary, the lines are parallel.

14. Transversals and Parallel Lines
Congruent
Alternate Interior Angles
Alternate Exterior Angles
Corresponding Angles
Supplementary
Same Side Interior Angles
Same Side Exterior Angles

15. I can name and make conjectures about angle pairs formed
by 2 lines and a transversal.