danielahchf
danielahchf danielahchf
  • 08-10-2018
  • Mathematics
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Can someone help me?

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JasonZhu
JasonZhu JasonZhu
  • 08-10-2018
Since l is parallel to m, the angle of 9x has to equal 153°:

9x = 153° Divide both sides by 9
x = 17°


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