Respuesta :

Nandozxc
Awnswr: 21* because 7 x =y and y= 21
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mlarsen5000

Answer:

D) 126°

Step-by-step explanation:

<G=84

<D=x

<E=180-3x

added all together should equal 180

84+x+180-3x=180

-2x=180-264

-2x=-84

x=42

<FEG=3x=3(42)=126

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