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GeoGebra Team
GeoGebra News
14.08.2018.
Time for a little Puzzle: The two shapes shown in the applet have the same area. But where does the black square come from?
Triangle Paradox (Missing square puzzle)
The two shapes have the same area. So where's the black square come from then?
Filtriraj po3Komentari
GeoGebra Team
GeoGebra News
18.07.2018.
Explore a visual proof for the Pythagorean Theorem with this activity.
Proof Without Words
Drag the points in the sketch below. What do you notice? What does this prove? How does this prove it? This is purposefully vague to let kids explore.
Filtriraj po14Komentari
Markus Hohenwarter
GeoGebra News
02.05.2018.
Welcome to our brand new GeoGebra website! You can now follow great authors and see their latest resources in your newsfeed. Have a look around and send us your feedback in a comment below, to support@geogebra.org or at help.geogebra.org
Filtriraj po68Komentari37
- kitcat14
  17.07.2018.
  Go to file then save
- Ogechi
  28.07.2018.
  Nice outlook. I so much love GeoGebra but here in Nigeria I think many mathematics teachers are yet to embrace it. Again it will be nice if you guys incorporate online tutorials perhaps in modules to allow beginners to gradually master this beautiful software.
- SharkD
  01.08.2018.
  I need to sit down and learn how to create and save activities and books. :)
Markus Hohenwarter
GeoGebra News
02.05.2018.
See GeoGebra Augmented Reality in action to explore conic sections
https://www.youtube.com/watch?v=o1KxZBPNetg
https://www.youtube.com/watch?v=o1KxZBPNetg
Filtriraj po24Komentari7
- myaparmar
  22.06.2018.
  cool
- Kala K
  03.07.2018.
  Very nice illustratiions. Very easy to teach the students.
- R.MATHAIYAN
  06.07.2018.
  very nice

Triangle Paradox (Missing square puzzle)

Proof Without Words

https://www.youtube.com/watch?v=o1KxZBPNetg