shayyy3
shayyy3
08-02-2017
Mathematics
contestada
What is the angle of B
Respuesta :
Meowo
Meowo
08-02-2017
y-9 + y/2 = 180
Add nine to each side
y+y/2=189
Multiply each side by two
2y+y=378
Add the y's together
3y=378
Divide it all by three
y=126
so, Angle B is 126 degrees
I hope that helps!
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