Question

ayuda xfis ಥ‿ಥ doy coronita ​

Answer 1

Explicación paso a paso:

1) d) 126°

10x = 180°

x = 18°

$\alpha + \beta + 3x = 180$

$\alpha + \beta + 3(18) = 180$

$\alpha + \beta + 54 = 180$

$\alpha + \beta = 126$

2)

$9x = 180$

$x = 20$