Answer:
so, the 3 angles in a triangle add up to 180.
I'm going to assume the top angles are equal.
therefore, the top angles are (180- 40)/2
180-40=140 140/2= 70.
so, each of the top angles is 70
we also know the total of angles adding up to a straight line is 180- so x would be whatever is left after 70 is removed from 180.
180-70= 110
x=110 degrees
