Respuesta :

Answer:

13 degrees

Step-by-step explanation:

Triangles have to equal to 180 degrees

Answer:

[tex]180 = 154 + 13 + x[/tex]

Step-by-step explanation:

180= 154° + 13° + X

X = 180° - 154°- 13°

X = 13°

The its an ISOCELES triangle