Respuesta :

subtomex0

Angles sum up to:

( n - 2 ) × 180 = ( 5 - 2 ) × 180 = 3 × 180 = 540

[tex]x + 4x + 4x + 135 + 135 = 540[/tex]

[tex]9x + 270 = 540[/tex]

[tex]9x = 540 - 270 \\ 9x = 270[/tex]

[tex]x = \frac{270}{9} = 30[/tex]

Otras preguntas