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Title: Parallel Lines, Transversal, and Angles
Description: Teaches you about parallel lines transversals and angles

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Unit 1: Parallel and Perpendicular Lines and Planes (including Coordinate geometry)
Lesson 6: Parallel lines, Transversals and Angles (3-1 & 3-2)
Objectives:
• Identify the relationship between two lines or two planes
...

A

Parallel lines: coplanar lines that do not intersect
...
The arrows in the diagram are used to represent that the lines are
parallel
...


B

D

C

Skew lines: lines that do not intersect and are not coplanar
...
g
...
g
...
g
...
g
...
1/3
...

Alternate Interior Angles (AIA) bi-conditional (Theorems 3
...
5): Two lines cut by a transversal are parallel if
and only if alternate interior angles are congruent
...
2/3
...

Alternate Exterior Angles (AEA) bi-conditional (Theorems 3
...
7): Two lines cut by a transversal are parallel
if and only if alternate exterior angles are congruent
...


101°



2y°

Example 4 - Find the values of x and y:

B

A

(3x + 20°)

D

Unit 1
GSP – Parallel Lines (#1-6)
Parallel lines, Transversals and
Angles

TB

Level 1
3-1, CYU p
...
183 #1 – 10

(2y – 5°)
E

(y – x + 20°)

C

F

Assigned work
Level 2 (START HERE!!)
PPS p
...
183 #11 -19 odd; 25, 27, 29,
39

Level 3 - Extension
PPS p
...
177 # 46-50
HOT p
Title: Parallel Lines, Transversal, and Angles
Description: Teaches you about parallel lines transversals and angles