$\"\"$

The coordinates are ( $\"\"$ , 6), (1, 7).

The line segment has endpoint at $\"\"$ , then the midpoint of the

segment has coordinates $\"\"$ .

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

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

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

The midpoint is $\"\"$ .