perestok
perestok perestok
  • 25-12-2019
  • Mathematics
contestada

the angle y has the value? show how you solved it

the angle y has the value show how you solved it class=

Respuesta :

calculista
calculista calculista
  • 30-12-2019

Answer:

[tex]x=76^o[/tex]

[tex]y=104^o[/tex]

Step-by-step explanation:

we know that

[tex](y-28)=x[/tex] ---> equation A (by alternate interior angles)

we have that

[tex]x+y=180[/tex] ---> by supplementary angles (form a linear pair)

[tex]x=180-y[/tex] ----> equation B

substitute equation B in equation A

[tex](y-28)=180-y[/tex]

solve for y

[tex]y+y=180+28[/tex]

[tex]2y=208[/tex]

[tex]y=104^o[/tex]

Find the value of x

[tex]x=180-104[/tex]

[tex]x=76^o[/tex]

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