GeoGebra 5.04 - Basics of Triangles

Ganapathi, Madhuri


Outline: 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

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Spoken Tutorial IIT Bombay

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