schaitea schaitea
  • 27-10-2018
  • Mathematics
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Please help with this problem

Please help with this problem class=

Respuesta :

ajlee2003
ajlee2003 ajlee2003
  • 27-10-2018

Since AOD and BOC are vertical angles,

we can conclude that 152=3x+x+x+12

Combine the like terms

152=5x+12

Subtract 12 on both sides

140=5x

Divide 5 on both sides.

140/5=28

x=28

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