$\"\"$

The give coordinates are (2, 2), (5, $\"\"$ 1).

The distance d between any two points with coordinates $\"\"$ .

Then distance (d) $\"\"$ .

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

$\"\"$ (Subtract: $\"\"$ ) $\"\"$

Evaluate powers: $\"\"$ .

$\"\"$

$\"\"$ (Add: 9 + 9= 18)

$\"\"$ (Evaluate square roots: $\"\"$ ) $\"\"$

The distance d $\"\"$ .