sameoldalex
sameoldalex
20-10-2021
Mathematics
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PLEASE HELPPPP!!!! Ugh
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j808389495
j808389495
20-10-2021
1. 180°-∠CBE=90°，90°=∠ABC，90=2x+3x，90=5x，x=18，∠ABD=36°，∠DBC=54°
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