# GeoGebra 5.04 - Basics of Triangles

 dc.contributor.author Ganapathi, Madhuri dc.date.accessioned 2018-10-24T23:13:05Z dc.date.available 2018-10-24T23:13:05Z dc.date.issued 2018-06-22 dc.identifier.uri http://doer.col.org/handle/123456789/8503 dc.description.abstract Outline: en_US Increase the font size using the Options menu; Draw a triangle; Measure the angles of the triangle; Display area and perimeter on the triangle; Show that sum of the interior angles is 180 degrees; Show that exterior angle is equal to sum of interior opposite angles; Draw external lines to the sides of the triangle; Draw altitudes to the triangle; Locate the orthocenter of the triangle; Draw angle bisectors to the angles of the triangle; Draw an incircle to the triangle. Pre-requisite: GeoGebra 5.04 - Introduction dc.language.iso en en_US dc.publisher Spoken Tutorial IIT Bombay en_US dc.relation.ispartofseries Spoken Tutorial Project; dc.relation.ispartofseries National Mission on Education through ICT; dc.source.uri https://spoken-tutorial.org/watch/GeoGebra%2B5.04/Basics%2Bof%2BTriangles/English/ en_US dc.subject open­source software en_US dc.subject mathematics en_US dc.title GeoGebra 5.04 - Basics of Triangles en_US dc.type Video en_US
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