lucix74
lucix74 lucix74
  • 18-08-2022
  • Mathematics
contestada

72*
57*
x*
what is x

72 57 x what is x class=

Respuesta :

parjanya495
parjanya495 parjanya495
  • 18-08-2022

Answer:

Since, it is a triangle and the sum of angles of triangle is 180°. So

72+57+X=180

or, 128+X=180

or, X= 180-128

X= 51°

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