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Question
unit 1 - lesson 9 exit ticket: in the diagram below, line m is parallel to line n. answer the following questio (a) state a pair of angles that are alternate interior angles. (b) state a pair of angles that are corresponding. (c) if ( mangle6 = 110^{circ} ), then what is the value of ( mangle8 )?
(a)
Alternate interior angles son ángulos que se encuentran entre las dos líneas paralelas y en lados opuestos de la transversal.
$\angle 1$ y $\angle 8$
(b)
Corresponding angles son ángulos que se encuentran en la misma posición relativa con respecto a las líneas paralelas y la transversal.
$\angle 4$ y $\angle 8$
(c)
$\angle 6$ y $\angle 8$ son ángulos suplementarios (suman $180^{\circ}$)
$$m\angle 8 = 180^{\circ}-m\angle 6$$
Sustituir $m\angle 6 = 110^{\circ}$
$$m\angle 8=180^{\circ}-110^{\circ}$$
$$m\angle 8 = 70^{\circ}$$
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(a) $\angle 1$ y $\angle 8$
(b) $\angle 4$ y $\angle 8$
(c) $70^{\circ}$