Respuesta :

I THINK THE CORRECT ANSWER IS A!!!

Answer:

A.    48 + 2x = 180

Step-by-step explanation:

This is an isosceles triangle

Therefor the unmarked angle is also xº

The three angles are 48, x and x

The total of the angles in a triangle is 180

48 + x + x = 180

48 + 2x = 180