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19. Write the justification for each step in the following proof. Given m

19. Write the justification for each step in the following proof. Given 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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19. Write the justification for each step in the following proof. Given m<BAD = 100"; m<BAC = (6x + 8)": !3! m<CAD - (2x - 4) D. Prove: x= 12 Statements Reasons m<BAD = 100"; m<BAC = (6x + 8): m<CAD = (2x - 4)" m<BAC + m<CAD = m<BAD (6x + 8)° + (2x - 4)" = 100" 8x + 4 = 100 8x = 96 x= 12
Transcribed Image Text:19. Write the justification for each step in the following proof. Given m<BAD = 100"; m<BAC = (6x + 8)": !3! m<CAD - (2x - 4) D. Prove: x= 12 Statements Reasons m<BAD = 100"; m<BAC = (6x + 8): m<CAD = (2x - 4)" m<BAC + m<CAD = m<BAD (6x + 8)° + (2x - 4)" = 100" 8x + 4 = 100 8x = 96 x= 12
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