GeoGebra Geometry
Construct, Drag, Share
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Description

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

We’d love to hear from you: send us your questions or feedback via Twitter @geogebra or via https://help.geogebra.org
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User Rating

4.56 out of 5

16 ratings in United Kingdom

5 star
13
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Ratings History

Reviews

Could be really good

Dijerydack on

This is a really neat app but could use just a couple of refinements to make it great. The most important being an Undo button. Also, clear on screen instructions for tools. Took me ages of screen mashing to figure out how to make the tangent tool work.

Handy geometry, construction, chaining toy / tool

Kif-a-tron-4000 on

Really easy to use, free from ads, fun app for mastering simple 2D geometry or assisting with trig class / homework or just investigating geometry/ies and seeing whats involved in constructing them. You can make MAD, glorious interdependent structures like a walking spider say if one circle is made saying make a circle passing through 3 points. If 2 of those points you pick to do that are one edge of a triangle you can quickly see how moving a single point or two brings it all to life. Hopefully it can expand further into CGeom / CGAL territory - but this keeps it simple enough a child can do it, while being flexible and powerful. Measure any angle length etc any, lists the steps to recreate your form.

Great new tools

A meaty one on

Really pleased to see all the new tools being added to make it more like the desktop version.

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Category Rankings

Chart
Category
Rank
Top Free
179
Top Free
307
Top Free
379
Top Free
411
Top Free
444

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App Info

Category
Education
Languages
Spanish, Afrikaans, Albanian, German, Amharic, Armenian, Azerbaijani, Bambara, Bengali, Burmese, Bosnian, Breton, Bulgarian, Central Khmer, Kannada, Catalan, Czech, Chinese, Korean, Croatian, Danish, Slovak, Slovene, Esperanto, Estonian, Basque, Faroese, Finnish, French, Galician, Welsh, Georgian, Greek (modern), Hebrew (modern), Hindi, Hungarian, Indonesian, English, Irish, Icelandic, Italian, Japanese, Kazakh, Latvian, Lithuanian, Macedonian, Malayalam, Malay, Marathi, Mongolian, Dutch, Nepali, Norwegian Bokmål, Norwegian Nynorsk, Persian, Polish, Portuguese, Romanian, Russian, Serbian, Sinhala, Swedish, Sanskrit, Tahitian, Thai, Tajik, Tamil, Telugu, Tibetan, Turkish, Ukrainian, Uighur, Urdu, Uzbek, Vietnamese, Xhosa, Yiddish, Arabic
Recent version
5.2.836 (3 months ago )
Released on
May 16, 2017 (7 years ago )
Last updated
1 month ago