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07-02-2017
Mathematics

Answered

What is the angle of B

What is the angle of B class=

Verified Answer :

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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