+0  
 
0
180
1
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I get stuck on these. so if you can help me out and explain? Thank you.

 Mar 8, 2018
 #1
avatar+95969 
+1

B + D  =  180

 

So

 

116  + x  = 180     subtract 116 from both sides

 

x  = 84

 

So... =   2(84) - 40  = 128°

 

 

 

 

cool cool cool

 Mar 8, 2018

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