GeoGebra Applets Library

Triangle  tools

GoeGebra Tools (.ggt files) for finding the Incentre, Centroid, Circumcentre and Orthocentre of any triangle.

Maximizing Volume

Maximizing volume of a cylinder inscribed in a given Cone and a given Sphere. Problems from NCERT Math textbook, Grade XII.

PARALLELISM AND PERPENDICULARITY

Deduce and verify relationships between parallel and perpendicular lines in 2D.