mathman783
04.07.2019 •
Mathematics
Lines ab and cd are straight lines.find x.
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Ответ:
x=28
Step-by-step explanation:
We can conclude that AOD and COB are vertical angles, meaning that they are congruent. This forms:
AOD=BOC
152=3x+x+(x+12)
152=5x+12
140=5x
140/5=x
x=28.
YT
Ответ:
Step-by-step explanation:
31 is the answer
31 meters