🌐EnglishEnglishDeutschEspañolItalianoPolskiPortuguêsSvenskaРусскийالعربية한국어中文日本語EntityQ3748369· pop 13· linked from 17 articlesshoelace formulamathematical algorithm to determine the area of a simple polygonConnectionsCartesian coordinate systemEntityCarl Friedrich GaussEntityCategoriesAreaGeometric algorithmsSurveying