Answer:
c(<B=73)
Step-by-step explanation:
The two congruent sides have equal base angles
[tex]34 + 2x = 180[/tex]
[tex]2x = 180 - 34[/tex]
[tex]2x = 146 [/tex]
[tex] \frac{2x}{2} = \frac{146}{2} [/tex]
[tex]x = 73[/tex]
hope it was helpful
