+0  
 
+1
71
2
avatar+218 

Find C in the following diagram. 

 

If the image doesn't work, please use my google drive link. 

Thanks. 

 Oct 9, 2022
 #2
avatar+118132 
+2

Hi MGoo

 

 

2b = 2a+c       The external angle of a triangle is equal to the sum of the opposite internal angles

b=   a+37        same reason

 

now its easy to finish.  :)

 Oct 10, 2022
edited by Melody  Oct 10, 2022

31 Online Users