Question

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look at this diagram: if $overleftrightarrow{su}$ and $overleftrightarrow{vx}$ are parallel lines and $mangle xwt = 68^{circ}$, what is $mangle vwy$? work it out. still not sure? these can help:

Explanation:

Step1: Identify angle - relationship

$\angle XWT$ and $\angle VWY$ are vertical angles.

Step2: Recall vertical - angle property

Vertical angles are congruent, so $m\angle VWY=m\angle XWT$.

Answer:

$68$