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  • 10-04-2018
  • Mathematics
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What is the value of x

What is the value of x class=

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Аноним Аноним
  • 10-04-2018
Sum of all adjacent angles is 180°.

3x + 12 + x = 180
4x + 12 = 180
4x = 168
x = 42°

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Answer: x = 42°
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