Question 1108681
The three angles need to add to {{{ 180^o}}}  and two of the angles are equal, so we have

2x + 110 = 180
2x = 70
x = 35   <—  this is the only option, the other two angles are {{{35^o}}}  each.


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If you tried to make the equal angles {{{110^o}}} you'd end up with 2(110) + x = 180 then x < 0 which is nonsensical for a triangle.