Easily construct triangles, drag points, draw parallel lines, intersect circles, save and share your results. Millions of people around the world use GeoGebra to learn mathematics and science. Join us!
тАв Create constructions with points, lines, circles, polygons, and angles
тАв Explore interactive geometry by dragging points
тАв Measure lengths and areas
тАв Transform shapes by mirroring, rotating and dilating them
тАв Try advanced constructions with conics and locus lines
тАв Investigate construction steps to get deeper understanding
тАв Search for free learning activities directly from our app
тАв Save and share your results with others
WeтАЩd love to hear from you: send us your questions or feedback via Twitter @geogebra or to support@geogebra.org
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