Respuesta :

choixongdong

Answer:

x = 39

Step-by-step explanation:

Sum of interior angles in a triangle = 180°

So

x + 39 + 102 = 180

x + 141 = 180

        x = 39

wiseowl2018

Answer:

The value of X =39

Step-by-step explanation:

The sum of angles in triangle is 180

X+Y+Z = 180

X+39+102 = 180

X+ 141 = 180

X = 180-141

X  =39