square

A floor plan with 4 even sides meeting at right angles.

A square perimeter is a building plan with four even sides which meet at 90 degree angles. The lengths of all sides should not be recognizably different, and should therefore be identical within 5% of the shortest length.

Squares can have shallow indentations in the sides, or may have slightly chamfered corners. Buildings with square plans very often have light courts or other courtyards in the middle because of the high area-to-perimeter ratio.

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