Question

determine as medidas dos angulos ! me ajudem

Answer 1

A)
$z = 50$
$x (?) = 50$
$y=180-50=130$


B)
$a=180-102=78$

$b=180-a=180-78=102$

$c=a->c=78$


C)
$x=180-120=60$

$y=75$

D)
$y=90$
$x=70$