+0  
 
0
505
1
avatar+177 

Geometry

 Jan 24, 2018
 #1
avatar+111331 
+3

"a" is an alternate interior angle  to the angle measuring 36°....so  that is its measure

 

By the Exterior Angle Theorem, "c"  =  139 - 77  =  62°

 

We can stop here....there is only one answer where a = 36  and c  = 62

 

 

cool cool cool

 Jan 24, 2018

15 Online Users

avatar
avatar
avatar