Respuesta :

009721

Answer:

y=97

Step-by-step explanation:

big triangle:

42+55=97

180-97=83

z=83

small triangle:

180-83=97

y=97

26+97=123

180-123=57

x=57

Answer: y= 97

Step-by-step explanation:

The triangle sum theorem states that in any triangle, the sum of the three interior angles equals 180°.

42+55+z=180

Z= 83

Angle Y and Z are a linear pair so they equal 180.

y+z= 180

180-83= 97

Y= 97

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