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Question
exterior angles (triangle)
score: 1/3 penalty: 1 off
question
a side of the triangle below has been extended to form an exterior angle of $134^\circ$. find the value of $x$.
Step1: Encontrar el ángulo interno
El ángulo exterior y el ángulo interno adyacente son suplementarios, así que:
$180^\circ - 134^\circ = 46^\circ$
Step2: Calcular el valor de $x$
En un triángulo rectángulo, la suma de los ángulos agudos es $90^\circ$:
$x = 90^\circ - 46^\circ$
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$44^\circ$