Respuesta :

Answer:

would it be 130?

Step-by-step explanation:

because 40+90=130 then 180-130=50 so 1=50 and that means 3 is 50 too. so then you would subtract 50 from 190 which is 130.

The answer is 130.
Using the triangle sum theorem you get 50 for 1.
Then, angles 1 and 2 must equal 180.
x+50=130
x=130

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