Respuesta :

reaganblarr
X=39 you take 39 and 102 and add them which is 141 then subtract that from 180
slowBOI

Answer:

39

Step-by-step explanation:

all triangle angles have the sum of 180

so you take 39 and 102 away form 180 to get you answer.

and when you do that you get 39

so, 39+39+102=180