GeoGebra Geometry

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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. us!

• Create constructions with points, lines, circles, polygons, and angles

• Explore interactive geometry by dragging points

• Measure lengths and areas

• Transform shapes by mirroring, rotating and dilating them

• Try advanced constructions with conics and locus lines

• Investigate construction steps to get deeper understanding

• Search for free learning activities directly from our app

• Save and share your results with others

We’d love to hear from you: send us your questions or via Twitter @geogebra or to @geogebra.org