Question Complete a flow proof for the Triangle Sum Theorem. 4 2 1. A- 3.

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
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Complete a flow proof for the Triangle Sum Theorem.
4
2
1.
3
A
Given: AABC
Prove: m/1+m/2+m/3=180°
Draw/ parallel to AC through B.
(select)
m/4+m/2+m
V Definition of straight angle
= 180°
= m/4
Alternate Interior Angles
Theorem
m.
m/3 = m5
(select)
m21+mZ2+m/3 = 180°
Substitution Property of Equality
Transcribed Image Text:Question Complete a flow proof for the Triangle Sum Theorem. 4 2 1. 3 A Given: AABC Prove: m/1+m/2+m/3=180° Draw/ parallel to AC through B. (select) m/4+m/2+m V Definition of straight angle = 180° = m/4 Alternate Interior Angles Theorem m. m/3 = m5 (select) m21+mZ2+m/3 = 180° Substitution Property of Equality
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