Seudónimo Seudónimo
  • 11-05-2017
  • Mathematics
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I need help also with #4

I need help also with 4 class=

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EEPJR
EEPJR EEPJR
  • 11-05-2017
it's 70° = x° + 30°
x° = 70° - 30°
x° = 40°
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