Question 1197065

Find angle C, in degrees in the following Diagram:

Please find my diagram here: https://drive.google.com/file/d/1BkVlpWbTavh-X4fBbyDESblXowg0eNii/view?usp=sharing

Apperciate it. Thanks. 
<pre>b<sup>o</sup> = a + 37<sup>o</sup> ----- External angle = sum of interior opposite angles
b + b = 2(a + 37)
2b = 2a + 74
2b = 2a + c ----- External angle = sum of interior opposite angles
Therefore, 2a + 74 = 2a + c
2a + 74 - 2a = c
<font color = red><font size  = 4><b>74<sup>o</sup> = c</font></font></b></pre>