$\"\"$

From the diagram the end points are $\"\"$ .

The midpoint of a segment with end points $\"\"$ is $\"\"$

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

$\"\"$ (Add: $\"\"$ )

$\"\"$ (Divide: $\"\"$ )

So,the midpoint of the segment $\"\"$ is $\"\"$ $\"\"$

The midpoint of the segment $\"\"$ is $\"\"$ .