Serbian Лењир Cited by user Dcirovic on 30 Dec 2022 thumb|right|250px|A variety of rulers thumb|right|250px|A 2 m carpenter's rule thumb|right|250px|Retractable flexible rule or [[tape measure]] thumb|250px|right|A…
English Straightedge and compass construction Cited by user Citation bot on 25 Jan 2019 Straightedge and compass construction, also known as ruler-and-compass construction or classical construction, is the construction of lengths, angles, and other…