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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

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
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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