$\"\"$

A new housing development identifies the land mark is $\"\"$ feets away and $\"\"$ left of the corner.

Second land mark is $\"\"$ feet away and $\"\"$ right of the corner.

Since the first landmark is $\"\"$ feets away and $\"\"$ left of the corner then angle is $\"\"$ .

Since the second landmark is $\"\"$ feet away and $\"\"$ right of the corner then angle is $\"\"$ .

The pair of points $\"\"$ and $\"\"$ .

The polar distance formula is $\"\"$ .

Substitute $\"\"$ and $\"\"$ in the distance formula.

$\"\"$

$\"\"$ .

The distance between each pair of point is $\"\"$ .

$\"\"$

The distance between each pair of point is $\"\"$ is $\"\"$ .