The value of x will be equal to 3.
What is the triangle?
Triangle is a shape made of three sides in a two-dimensional plane. the sum of the three angles is 180 degrees.
We know that the exterior angles are equal to the opposite interior angles
So the equation would be:
25x + 57 + x = 45x
26x + 57 = 45x
57 = 19x
x = 3
To know more about triangles follow
https://brainly.com/question/17335144
#SPJ2
