5. Given: <1 and <2 form a straight angle Reasons Steps 1. <1 and <2 form a straight angle Given Definition of Straight Angle Angle Addition Postulate 2. m

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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6. Given: m<EAC=90°
E
Reasons
Steps
1. m«EAC=90°
Given
2.
Angle Addition Postulate
3
3.
Substitution
A
Transcribed Image Text:6. Given: m<EAC=90° E Reasons Steps 1. m«EAC=90° Given 2. Angle Addition Postulate 3 3. Substitution A
5. Given: <1 and <2 form a straight angle
Steps
Reasons
1. <1 and <2 form a straight angle Given
2. m<ABC =180°
Definition of Straight
Angle
Angle Addition Postulate
1
A
3.
4.
Substitution
Prove: mx1+mx2=180°
Transcribed Image Text:5. Given: <1 and <2 form a straight angle Steps Reasons 1. <1 and <2 form a straight angle Given 2. m<ABC =180° Definition of Straight Angle Angle Addition Postulate 1 A 3. 4. Substitution Prove: mx1+mx2=180°
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