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Proof: B Statements Reasons 1. BX is the bisector of LABC. 1. 2. ?_defiration 3. ? Orie DIn E pestulble 2. ZABX = ' _, or m LABX 3. m LABX + m Z XBC = m ZABC 4. m LABX + m ZABX = or 2m LABX = m Z ABC m ZABC, 5. m LABX Im LABC 6. m ZXBC = }m LABC 6. Substitution Prop. (Steps 2 and ? ) A В C

Proof: B Statements Reasons 1. BX is the bisector of LABC. 1. 2. ?_defiration 3. ? Orie DIn E pestulble 2. ZABX = ' _, or m LABX 3. m LABX + m Z XBC = m ZABC 4. m LABX + m ZABX = or 2m LABX = m Z ABC m ZABC, 5. m LABX Im LABC 6. m ZXBC = }m LABC 6. Substitution Prop. (Steps 2 and ? ) A В C

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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Complete the proof of Theorem 2-2. Given: BX is the bisector of <ABC.
Prove: m<ABX =1/2M<ABC; rn<XBC =1/2 m<ABC

Proof: B Statements Reasons 1. BX is the bisector of LABC. 1. 2. ?_defiration 3. ? Orie DIn E pestulble 2. ZABX = ' _, or m LABX 3. m LABX + m Z XBC = m ZABC 4. m LABX + m ZABX = or 2m LABX = m Z ABC m ZABC, 5. m LABX Im LABC 6. m ZXBC = }m LABC 6. Substitution Prop. (Steps 2 and ? )
Transcribed Image Text:Proof: B Statements Reasons 1. BX is the bisector of LABC. 1. 2. ?_defiration 3. ? Orie DIn E pestulble 2. ZABX = ' _, or m LABX 3. m LABX + m Z XBC = m ZABC 4. m LABX + m ZABX = or 2m LABX = m Z ABC m ZABC, 5. m LABX Im LABC 6. m ZXBC = }m LABC 6. Substitution Prop. (Steps 2 and ? )
A В C
Transcribed Image Text:A В C
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