Alayna031
Alayna031 Alayna031
  • 13-03-2017
  • Mathematics
contestada

what is x? i do not know how to do this

what is x i do not know how to do this class=

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Аноним Аноним
  • 13-03-2017
since you know that a triangle's angles=180, you have 2 of the angles. You also know that the sum of 2 angles is equal to 180 minus the exterior angle. So,

2x+x=123
3x=123
x=123/3
x=41,    2(41)=82 for the other angle.
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ocs12009643
ocs12009643 ocs12009643
  • 13-03-2017
x=41 yeah thats it ......
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