Question
Lines /||m, t is a transversal, $\angle z=$ ?
Lines /||m, t is a transversal, $\angle z=$ ?
✓
Answer
Given, $l \| m$ and $t$ is a transversal.
We know that the sum of pair of interior angles on the same side of the transversal is supplementary.
$
\begin{array}{lr}
\therefore\angle z+60^{\circ}=180^{\circ} \\
\Rightarrow \angle z=180^{\circ}-60^{\circ}=120^{\circ}
\end{array}
$
We know that the sum of pair of interior angles on the same side of the transversal is supplementary.
$
\begin{array}{lr}
\therefore\angle z+60^{\circ}=180^{\circ} \\
\Rightarrow \angle z=180^{\circ}-60^{\circ}=120^{\circ}
\end{array}
$
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