salam.man ne midoonam che gandi zadam ke surfasssam ke tu geometricalset hast tickness nemigire va be surate joz joz tikness migire midoonam gand zadam vali nemidoonam koja ke beram dorostesh konam.bad nemidoonam ke rezvaro bayad chejuri va key ye geometrical e jadid dorost konam.alan chera ghesmate tahe botry az badane joda select mishe???!!!!!!