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Duplicating an Angle (Copying an Angle)
For a given angle, how do you construct an angle with the same measure using just a straightedge and compass (without a protractor)? Find the answer in this video.Duplicating (copying) angles on paper.Video without words.Thanks to Rex Boggs, Rockhampton Grammar School, Australia (http://bit.ly/rexboggs ) for help with the English translation.Music by longzijun, http://longzijun.wordpress.com/ .My math materials in English: http://www.antonija-horvatek.from.hr/... .My (whole) website: http://www.antonija-horvatek.from.hr/ .
