One can find in GeoGebra center of gravity of a polygon. Ie. the location(CG), where the character's weight is distributed evenly around. One can say, if the figure is set exactly on top of a needle in the center of gravity, then figure balancing on top of the needle.

Danish

1. Make a random shape using. Polygon tool .
2. It is now polygon1.
3. Now type the following in the input field (you turn the input field to the submenu show)..

   Weigh Point[polygon1]

4. Now we have a center of gravity for polygon1. (In the illustration, the point H)

English

The function can be found by selecting the English language – under settings – language – English.

Then do the following:

1. Change language to English. (under Settings – language – English)
2. Make a random shape using. Polygon tool .
3. It is now polygon1.
4. Write now following input field:

   centroid[polygon1]

5. Now we have a center of gravity for polygon1. (In the illustration, the point H)
6. Now you can change spoget back to Danish.