Examples include:
*Delft, Netherlands (See map alongside)
:The walled city of Delft was approximately rectangular.
::The approximate length of rectangle was about 1.30 km.
::The approximate width of the rectangle was about 0.75 km.
::A perfect rectangle with these measurements has an area of 1.30×0.75 = 0.9 km²

*Lucca (Italy)
:The medieval city is roughly rectangular with rounded north-east and north-west corners.
::The