Chapter 13 (PDF)

Lesson 13.2 • Planning a Geometry Proof
Name Period Date
For these exercises, you may use theorems added to your theorem list
through the end of Lesson 13.2.
In Exercises 1–3, write a paragraph proof or a flowchart proof for
each situation.
1. Given: AB CD , AP CQ
P
Show: PAB QCD
2. Given: PQ ST, QPR STU
Show: PR UT
3. Given: Noncongruent, nonparallel
segments AB, BC, and AC
Show: x y z 180°
P
Q
R
x A
a
U
b c
y B
C z
Discovering Geometry Practice Your Skills CHAPTER 13 85
©2008 Kendall Hunt Publishing
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B
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Q
S
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D