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8x+18=40 18 x=9 88

8x+18=40 18 x=9 88

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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m/XYW? 3x+9+5x+9 = 90 sta 8x+18=90 18 -18 8x=72 g 8 8 Noo 2 XYW = 54 <XVZ = 36 x=9 37. ABC and ZDEF are supplementary angles. The measure of ZDEF is twenty degrees less than three times the measure of ZABC. What are m/ABC and m/DEF? GV=2=CBSE
Transcribed Image Text:m/XYW? 3x+9+5x+9 = 90 sta 8x+18=90 18 -18 8x=72 g 8 8 Noo 2 XYW = 54 <XVZ = 36 x=9 37. ABC and ZDEF are supplementary angles. The measure of ZDEF is twenty degrees less than three times the measure of ZABC. What are m/ABC and m/DEF? GV=2=CBSE
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