Answer:
The given Angles in triangle are 105° , 31° & 2x°
we have been asked to find the value of x .
We Know Sum of all three angles in a triangle is 180°
Now Let's put the given value we obtain
105° + 31° + 2x = 180°
136° + 2x = 180°
2x = 180° - 136°
2x = 44
x = 44/2
x = 22°
So, the value of x is 22°.