+0  
 
0
686
2
avatar+492 

Help.

 Feb 3, 2017
 #1
avatar+295 
+5

The answer is B 720°. 

 

6-2(180)

4(180)

720

 Feb 3, 2017
 #2
avatar
0

The second thingy.

 Feb 3, 2017

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