Respuesta :

ian2006huang

Answer:

144° and 36°

Step-by-step explanation:

17x-9 and 4x are same side interior angles. This means that they add to 180°.

17x-9+4x=180

21x-9=180

21x=189

x=9

substitute x back into the original angles and you get

17(9)-9=144

and

4(9)=36

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