Respuesta :

jackiezhang2007

Answer:

50 degrees

Step-by-step explanation:

Interior angle sum of a triangle is 180 degrees.

let's call <c, x

x+53+77=180

x+130=180

x=50

reshma87
53+77+c=180 ( interior angles of a triangle add up to 180.)
130+c=180
c= 180-130
c= 50 degrees

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