Answer:
The missing angle is [tex]80[/tex] degrees.
Step-by-step explanation:
If this is an isoceles triangle, it means that the two angle on the bottom left and right are the same. Since a triangle's angles add up to 180 degrees, we can create an equation :
[tex]50+50+x=180[/tex]
[tex]100+x=180[/tex]
[tex]x=80[/tex]
