Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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I am having trouble doing a two column proof for #28

Transcribed Image Text:The measuré of an exterior
(ZD of AABD)
Z of a A is greater than
the measure of either
nonadjacent interior 2
4. ?
4. Substitution
5. ?
5. ?
In Exercises 27 and 28, construct proofs.
Iniog)
27. Given:
roof.
Quadrilateral RSTU with diagonal US
ZR and ZTUS are right Zs
Prove:
TS > UR
KHOTEIR VOVIT
Quadrilateral ABCD with AB = DE
28.) Given:
Prove:
DC > AB
3.3
2KEICH
CHINEDE2
A
&2EW
29. For AABC and ADEF (not shown), suppose that AC = DF,
aw a conclusion regarding
Reasons
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