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Need help on b and d.

 Jan 22, 2019
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b and the 96 degree angle form a straight line, so it is just 180-96=84.

 

d and c form a striaght line, and i can see that you already know that c is 60, so d is just 180-60=120.

 

HOPE THIS HELPED!

 Jan 22, 2019

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