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Question
question 1-2
in the figure shown, ( a parallel b ) and ( c parallel d ).
select the correct number from each drop - down menu to show the values of ( x ) and ( y ).
( x = )
( y = )
Step1: Encontrar la relación para $x$
Los ángulos $(4x+12)^\circ$ y $68^\circ$ son suplementarios (ángulos consecutivos internos), así que suman $180^\circ$:
$$(4x + 12) + 68 = 180$$
Step2: Resolver para $x$
Simplificar y despejar $x$:
$$4x + 80 = 180$$
$$4x = 180 - 80$$
$$4x = 100$$
$$x = \frac{100}{4} = 25$$
Step3: Encontrar la relación para $y$
Los ángulos $68^\circ$ y $(2y-8)^\circ$ son iguales (ángulos correspondientes, ya que $a \parallel b$ y $c \parallel d$):
$$2y - 8 = 68$$
Step4: Resolver para $y$
Despejar $y$:
$$2y = 68 + 8$$
$$2y = 76$$
$$y = \frac{76}{2} = 38$$
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$x = 25$
$y = 38$