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!

• 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

Visite www.geogebra.org para aprender mais e encontrar todos os aplicativos GeoGebra gratuitos. Adoraríamos ouvir você: envie-nos suas questões via www.geogebra.org/ajuda ou support@geogebra.org