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jimmymurray29
11.03.2020 •
Mathematics
What’s the angle measures ?
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Ответ:
x+(x+30)+2x=180
open bracket
x+x+30+2x=180
collect like term
2x+2x=180-30
4x=150
divide both side by 4
4x/4=150/4
x=37.5°
so the angle are 37.5°, 75° ,67.5°
Ответ:
4 weeks
Step-by-step explanation: 2+11=13
13+40=53
81-53=28
28÷7=4
i hope this helped !