Respuesta :

Hasmitahere

36+90+x= 180°

126+x=180°

x= 180 - 126

x= 54°

Answer:

54

Step-by-step explanation:

The angles of a triangle always add up to 180°, so you can add up the angles you do know, and subtract 180.

So in this case, you would do [tex]36+90=126[/tex], then [tex]180-126=54[/tex].

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