
Transversals Discovery
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
AUBREY CARSON
FREE Resource
22 Slides • 3 Questions
1
Discovery GOAL
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
To discover the special relationship
each angle pair has when two
parallel lines are cut by a
transversal.
2
Discovery
Directions
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
Directions:
❏
Determine each angle measure given the angles below.
❏
Identify the Transversal.
❏
Determine if the transversal is intersecting parallel lines or not.
❏
Name the Angle Pair. (Linear Pair, Vertical, SSI, SSE, Al, AE, Corr.)
❏
Determine if the angles are Congruent, Supplementary, or Neither.
Go to the last page in your Homework Packet
3
40°
40°
40°
40°
140°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
4
Multiple Choice
What is the transversal for angles 1 and 8?
line a
line b
line c
line d
5
Multiple Choice
What is the name for the pair of angles 1 and 8?
Alt Int.
Alt Ext.
SSI
SSE
Corr.
6
Multiple Choice
Does the transversal for angles 1 and 8 intersect parallel lines??
yes
no
7
40°
40°
40°
40°
140°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
8
A/S/N
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
If two line are cut by a transversal,
then alternate exterior angles are
congruent.
9
40°
40°
40°
40°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
10
A/S/N
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
If two line are cut by a transversal,
then same side interior angles are
supplementary.
11
40°
40°
40°
40°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
12
A/S/N
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
If two parallel lines are cut by a
transversal, then alternate interior
angles are congruent.
13
40°
40°
40°
40°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
14
A/S/N
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
If two parallel lines are cut by a
transversal, then same side exterior
angles are congruent.
15
40°
40°
40°
40°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
16
A/S/N
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
If two parallel lines are cut by a
transversal, then corresponding
angles are congruent.
17
40°
40°
40°
40°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
18
A/S/N
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
Vertical Angles are congruent.
19
40°
40°
40°
40°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
20
A/S/N
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
Linear pairs are congruent.
21
40°
40°
40°
40°
140°
140°
140°
100°
100°
100°
100°
80°
80°
80°
80°
22
23
24
25
Discovery GOAL
Discovery:
https://docs.google.co
m/presentation/d/1Z9f
50f4udRli1cPlzC6CK1l
2fbmcKpEFcqVji4xs5
Mk/edit?usp=sharing
To discover the special relationship
each angle pair has when two
parallel lines are cut by a
transversal.
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