+0  
 
0
109
2
avatar+121 

 

​ Quadrilateral ABCD ​ is inscribed in circle O. 

What is ​ m∠C ​ ?

AgentFatboy  Apr 10, 2018
 #1
avatar+604 
+2

I agree with CPhill

gueesstt  Apr 10, 2018
edited by gueesstt  Apr 10, 2018
 #2
avatar+87714 
+2

B + D   =  180    ....so...

 

[ 2x + 3 ]   +  [ 4x + 3  ] =  180

 

6x + 6  =  180

6x  =  174      divide both sides by 6

x  = 29

 

So 

 

C  =  2(29)  + 1   =   59°

 

 

cool cool cool

CPhill  Apr 10, 2018

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