2
Which angles are vertical angles?
$\angle L K H$ and $\angle J K H$
$\overleftrightarrow{G I}$ and $\overleftrightarrow{J L}$ are parallel lines.
$\angle L K H$ and $\angle G H K$
$\angle L K H$ and $\angle I H F$
$\angle L K H$ and $\angle J K M$

Answer

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Answer

$\boxed{\angle L K H \text{ and } \angle J K H \text{ are vertical angles}}$

Steps

Step 1 ：Identify the angles formed by intersecting lines using the given information about parallel lines: $\overleftrightarrow{G I}$ and $\overleftrightarrow{J L}$

Step 2 ：Find the vertical angles, which are opposite to each other when two lines intersect

Step 3 ：$\boxed{\angle L K H \text{ and } \angle J K H \text{ are vertical angles}}$

2Which angles are vertical angles?$\angle L K H$ and $\angle J K H$$\overleftrightarrow{G I}$ and $\overleftrightarrow{J L}$ are parallel lines.$\angle L K H$ and $\angle G H K$$\angle L K H$ and $\angle I H F$$\angle L K H$ and $\angle J K M$

Answer

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2
Which angles are vertical angles?
$\angle L K H$ and $\angle J K H$
$\overleftrightarrow{G I}$ and $\overleftrightarrow{J L}$ are parallel lines.
$\angle L K H$ and $\angle G H K$
$\angle L K H$ and $\angle I H F$
$\angle L K H$ and $\angle J K M$