$\"\"$

Given that $\"\"$ .

Since $\"\"$ are vertical angles. So they are congruent.

$\"\"$ (Vertical angles theorem)

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Subtract x from each side)

$\"\"$ (Subtract 7 from each side) $\"\"$

Use the value of x to find the measures \ \

$\"\"$ (Given)

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Simplify)

Since, $\"\"$ . $\"\"$

The solution $\"\"$ .