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!
âĒ Create constructions with points, lines, circles, polygons, and angles
âĒ Explore interactive geometry by dragging points
âĒ Measure lengths and areas
âĒ Transform shapes by mirroring, rotating and dilating them
âĒ Try advanced constructions with conics and locus lines
âĒ Investigate construction steps to get deeper understanding
âĒ Search for free learning activities directly from our app
âĒ Save and share your results with others
Weâd love to hear from you: send us your questions or feedback via Twitter @geogebra or to support@geogebra.org
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