Hello :) to find the sum of angle X I would find the other missing angle in the triangle by subtracting 180 by 92 to get 88. Then add that angle and the other one which is 36 to get 124. The sum of all the angles in a triangle is 180 so to get the last angle aka angle X you would do 180-124. That equals 56 so X= 56 degrees. I hope I helped and if you need a better explanation lmk
