<p>In the diagram below, the line $AB$ is parallel to the line $DE$. </p>
<p>Find the value of $y$ in the diagram, stating your reasons clearly.</p>
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In the diagram below, the line $AB$ is parallel to the line $DE$. 

Find the value of $y$ in the diagram, stating your reasons clearly.

Finding Unknown Angles Using Parallel Line Properties

Finding Unknown Angles Using Parallel Line Properties

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